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901980424 = 231749913291
BaseRepresentation
bin110101110000110…
…010000100001000
32022212020100112101
4311300302010020
53321401333144
6225300323144
731231464352
oct6560620410
92285210471
10901980424
11423165274
122120a34b4
13114b3ac37
1487b140d2
15542bd6d4
hex35c32108

901980424 has 32 divisors (see below), whose sum is σ = 1794420000. Its totient is φ = 423578880.

The previous prime is 901980421. The next prime is 901980451. The reversal of 901980424 is 424089109.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (901980421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61219 + ... + 74509.

It is an arithmetic number, because the mean of its divisors is an integer number (56075625).

Almost surely, 2901980424 is an apocalyptic number.

It is an amenable number.

901980424 is a deficient number, since it is larger than the sum of its proper divisors (892439576).

901980424 is a wasteful number, since it uses less digits than its factorization.

901980424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813 (or 13809 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 901980424 is about 30032.9889288429. The cubic root of 901980424 is about 966.1970429649.

The spelling of 901980424 in words is "nine hundred one million, nine hundred eighty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 499 998 1996 3992 8483 13291 16966 26582 33932 53164 67864 106328 225947 451894 903788 1807576 6632209 13264418 26528836 53057672 112747553 225495106 450990212 901980424