[go: up one dir, main page]

Search a number
-
+
3149900 = 2252132423
BaseRepresentation
bin1100000001000001001100
312221000211222
430001001030
51301244100
6151302512
735526245
oct14010114
95830758
103149900
111861626
12107aa38
13863960
145bdccc
15423485
hex30104c

3149900 has 36 divisors (see below), whose sum is σ = 7364112. Its totient is φ = 1162560.

The previous prime is 3149899. The next prime is 3149903. The reversal of 3149900 is 99413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3149900.

It is not an unprimeable number, because it can be changed into a prime (3149903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89 + ... + 2511.

Almost surely, 23149900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682056).

3149900 is an abundant number, since it is smaller than the sum of its proper divisors (4214212).

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

3149900 is a wasteful number, since it uses less digits than its factorization.

3149900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3149900 is about 1774.7957628978. The cubic root of 3149900 is about 146.5881696574.

The spelling of 3149900 in words is "three million, one hundred forty-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 2423 4846 9692 12115 24230 31499 48460 60575 62998 121150 125996 157495 242300 314990 629980 787475 1574950 3149900