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42670755 = 3253113049
BaseRepresentation
bin1010001011000…
…1101010100011
32222021220021100
42202301222203
541410431010
64122325443
71025460351
oct242615243
988256240
1042670755
11220a5196
1212359883
138ac038a
14594a7d1
153b2d2c0
hex28b1aa3

42670755 has 24 divisors (see below), whose sum is σ = 74224800. Its totient is φ = 22677120.

The previous prime is 42670739. The next prime is 42670801. The reversal of 42670755 is 55707624.

It is not a de Polignac number, because 42670755 - 24 = 42670739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12471 + ... + 15519.

It is an arithmetic number, because the mean of its divisors is an integer number (3092700).

Almost surely, 242670755 is an apocalyptic number.

42670755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42670755 is a deficient number, since it is larger than the sum of its proper divisors (31554045).

42670755 is a wasteful number, since it uses less digits than its factorization.

42670755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 42670755 is about 6532.2855877556. The cubic root of 42670755 is about 349.4433464385.

The spelling of 42670755 in words is "forty-two million, six hundred seventy thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 45 311 933 1555 2799 3049 4665 9147 13995 15245 27441 45735 137205 948239 2844717 4741195 8534151 14223585 42670755