[go: up one dir, main page]

Search a number
-
+
76541540 = 22553163443
BaseRepresentation
bin1001000111111…
…10111001100100
312100000201020212
410203332321210
5124043312130
611332314552
71616410115
oct443767144
9170021225
1076541540
113a229879
1221772a58
1312b1c16a
14a24620c
156abde95
hex48fee64

76541540 has 48 divisors (see below), whose sum is σ = 165146688. Its totient is φ = 29787264.

The previous prime is 76541501. The next prime is 76541561. The reversal of 76541540 is 4514567.

It is a junction number, because it is equal to n+sod(n) for n = 76541497 and 76541506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172559 + ... + 173001.

It is an arithmetic number, because the mean of its divisors is an integer number (3440556).

Almost surely, 276541540 is an apocalyptic number.

It is an amenable number.

76541540 is an abundant number, since it is smaller than the sum of its proper divisors (88605148).

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

76541540 is a wasteful number, since it uses less digits than its factorization.

76541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 76541540 is about 8748.8022037305. The cubic root of 76541540 is about 424.5860606321.

The spelling of 76541540 in words is "seventy-six million, five hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 53 106 163 212 265 326 443 530 652 815 886 1060 1630 1772 2215 3260 4430 8639 8860 17278 23479 34556 43195 46958 72209 86390 93916 117395 144418 172780 234790 288836 361045 469580 722090 1444180 3827077 7654154 15308308 19135385 38270770 76541540