[go: up one dir, main page]

Search a number
-
+
108979260 = 223513314507
BaseRepresentation
bin1100111111011…
…10010000111100
321121001201102220
412133232100330
5210344314020
614451445340
72462210535
oct637562074
9247051386
10108979260
1156574805
12305b6850
1319768890
141068b68c
15987a240
hex67ee43c

108979260 has 96 divisors (see below), whose sum is σ = 339290112. Its totient is φ = 25954560.

The previous prime is 108979237. The next prime is 108979261. The reversal of 108979260 is 62979801.

108979260 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1089792602 = 23752958220295200, which contains 22 as substring.

108979260 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108979261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21927 + ... + 26433.

It is an arithmetic number, because the mean of its divisors is an integer number (3534272).

Almost surely, 2108979260 is an apocalyptic number.

108979260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108979260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169645056).

108979260 is an abundant number, since it is smaller than the sum of its proper divisors (230310852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108979260 is a wasteful number, since it uses less digits than its factorization.

108979260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 108979260 is about 10439.3131957998. The cubic root of 108979260 is about 477.6553189348.

The spelling of 108979260 in words is "one hundred eight million, nine hundred seventy-nine thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 124 130 155 156 186 195 260 310 372 390 403 465 620 780 806 930 1209 1612 1860 2015 2418 4030 4507 4836 6045 8060 9014 12090 13521 18028 22535 24180 27042 45070 54084 58591 67605 90140 117182 135210 139717 175773 234364 270420 279434 292955 351546 419151 558868 585910 698585 703092 838302 878865 1171820 1397170 1676604 1757730 1816321 2095755 2794340 3515460 3632642 4191510 5448963 7265284 8383020 9081605 10897926 18163210 21795852 27244815 36326420 54489630 108979260