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390074037 = 3193719937
BaseRepresentation
bin10111010000000…
…000111010110101
31000011222210222120
4113100000322311
51244324332122
6102412350153
712444401043
oct2720007265
91004883876
10390074037
11190206441
12aa775359
1362a77652
1439b3d393
15243a275c
hex17400eb5

390074037 has 16 divisors (see below), whose sum is σ = 524079360. Its totient is φ = 258066432.

The previous prime is 390074033. The next prime is 390074039. The reversal of 390074037 is 730470093.

It is not a de Polignac number, because 390074037 - 22 = 390074033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390073989 and 390074007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390074033) 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 15 ways as a sum of consecutive naturals, for example, 415833 + ... + 416769.

It is an arithmetic number, because the mean of its divisors is an integer number (32754960).

Almost surely, 2390074037 is an apocalyptic number.

It is an amenable number.

390074037 is a deficient number, since it is larger than the sum of its proper divisors (134005323).

390074037 is a wasteful number, since it uses less digits than its factorization.

390074037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 390074037 is about 19750.2920737897. The cubic root of 390074037 is about 730.6605873829.

The spelling of 390074037 in words is "three hundred ninety million, seventy-four thousand, thirty-seven".

Divisors: 1 3 193 579 719 937 2157 2811 138767 180841 416301 542523 673703 2021109 130024679 390074037