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146935931 = 1071373233
BaseRepresentation
bin10001100001000…
…01000001111011
3101020111010012112
420300201001323
5300103422211
622325202535
73432635432
oct1060410173
9336433175
10146935931
1175a3a15a
124126044b
132459834c
141572c119
15cd7688b
hex8c2107b

146935931 has 4 divisors (see below), whose sum is σ = 148309272. Its totient is φ = 145562592.

The previous prime is 146935889. The next prime is 146935961. The reversal of 146935931 is 139539641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146935931 - 214 = 146919547 is a prime.

It is a super-2 number, since 2×1469359312 = 43180335637673522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146935961) 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 3 ways as a sum of consecutive naturals, for example, 686510 + ... + 686723.

It is an arithmetic number, because the mean of its divisors is an integer number (37077318).

Almost surely, 2146935931 is an apocalyptic number.

146935931 is a deficient number, since it is larger than the sum of its proper divisors (1373341).

146935931 is a wasteful number, since it uses less digits than its factorization.

146935931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373340.

The product of its digits is 87480, while the sum is 41.

The square root of 146935931 is about 12121.7132039988. The cubic root of 146935931 is about 527.6865235871.

The spelling of 146935931 in words is "one hundred forty-six million, nine hundred thirty-five thousand, nine hundred thirty-one".

Divisors: 1 107 1373233 146935931