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42272402 = 2731392083
BaseRepresentation
bin1010000101000…
…0011010010010
32221112122211112
42201100122102
541310204102
64110013322
71022211104
oct241203222
987478745
1042272402
1121952977
12121a7242
1389b0c73
145885574
153aa0252
hex2850692

42272402 has 16 divisors (see below), whose sum is σ = 64770720. Its totient is φ = 20686752.

The previous prime is 42272393. The next prime is 42272423. The reversal of 42272402 is 20427224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19253 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (4048170).

Almost surely, 242272402 is an apocalyptic number.

42272402 is a deficient number, since it is larger than the sum of its proper divisors (22498318).

42272402 is a wasteful number, since it uses less digits than its factorization.

42272402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 42272402 is about 6501.7230024048. The cubic root of 42272402 is about 348.3525350302.

Adding to 42272402 its reverse (20427224), we get a palindrome (62699626).

The spelling of 42272402 in words is "forty-two million, two hundred seventy-two thousand, four hundred two".

Divisors: 1 2 73 139 146 278 2083 4166 10147 20294 152059 289537 304118 579074 21136201 42272402