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32113021 = 191918849
BaseRepresentation
bin111101010000…
…0000101111101
32020102111210011
41322200011331
531210104041
63104143221
7536645653
oct172400575
966374704
1032113021
1117143a96
12a907b11
1368649b5
14439cdd3
152c44e81
hex1ea017d

32113021 has 8 divisors (see below), whose sum is σ = 33984000. Its totient is φ = 30260160.

The previous prime is 32113007. The next prime is 32113027. The reversal of 32113021 is 12031123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32113021 - 27 = 32112893 is a prime.

It is a super-2 number, since 2×321130212 = 2062492235492882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32112992 and 32113010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (4248000).

Almost surely, 232113021 is an apocalyptic number.

It is an amenable number.

32113021 is a deficient number, since it is larger than the sum of its proper divisors (1870979).

32113021 is a wasteful number, since it uses less digits than its factorization.

32113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 32113021 is about 5666.8351837688. The cubic root of 32113021 is about 317.8535413278.

Adding to 32113021 its reverse (12031123), we get a palindrome (44144144).

The spelling of 32113021 in words is "thirty-two million, one hundred thirteen thousand, twenty-one".

Divisors: 1 19 191 3629 8849 168131 1690159 32113021