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131854028 = 2232963507
BaseRepresentation
bin1111101101111…
…10111011001100
3100012002212201112
413312332323030
5232223312103
621030031152
73160512035
oct766767314
9305085645
10131854028
1168478979
12381a84b8
1321417647
1413723a8c
15b897cd8
hex7dbeecc

131854028 has 6 divisors (see below), whose sum is σ = 230744556. Its totient is φ = 65927012.

The previous prime is 131854003. The next prime is 131854033. The reversal of 131854028 is 820458131.

131854028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131853985 and 131854003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16481750 + ... + 16481757.

It is an arithmetic number, because the mean of its divisors is an integer number (38457426).

Almost surely, 2131854028 is an apocalyptic number.

It is an amenable number.

131854028 is a deficient number, since it is larger than the sum of its proper divisors (98890528).

131854028 is a wasteful number, since it uses less digits than its factorization.

131854028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32963511 (or 32963509 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 131854028 is about 11482.7709199479. The cubic root of 131854028 is about 508.9765815357.

The spelling of 131854028 in words is "one hundred thirty-one million, eight hundred fifty-four thousand, twenty-eight".

Divisors: 1 2 4 32963507 65927014 131854028