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42137070 = 2351404569
BaseRepresentation
bin1010000010111…
…1010111101110
32221021210012020
42200233113232
541241341240
64103051010
71021105413
oct240572756
987253166
1042137070
1121870228
1212140a66
1389644a1
14584c10a
153a750d0
hex282f5ee

42137070 has 16 divisors (see below), whose sum is σ = 101129040. Its totient is φ = 11236544.

The previous prime is 42137063. The next prime is 42137089. The reversal of 42137070 is 7073124.

It is a self number, because there is not a number n which added to its sum of digits gives 42137070.

It is a congruent 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, 702255 + ... + 702314.

It is an arithmetic number, because the mean of its divisors is an integer number (6320565).

Almost surely, 242137070 is an apocalyptic number.

42137070 is an abundant number, since it is smaller than the sum of its proper divisors (58991970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42137070 is a wasteful number, since it uses less digits than its factorization.

42137070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404579.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 42137070 is about 6491.3072643344. The cubic root of 42137070 is about 347.9803959098.

The spelling of 42137070 in words is "forty-two million, one hundred thirty-seven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 1404569 2809138 4213707 7022845 8427414 14045690 21068535 42137070