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42360690 = 2351974317
BaseRepresentation
bin1010000110010…
…1111101110010
32221201010221110
42201211331302
541321020230
64111534150
71023026361
oct241457562
987633843
1042360690
1121a03239
121222a356
138a121c8
1458a97d8
153abb4b0
hex2865f72

42360690 has 32 divisors (see below), whose sum is σ = 107017920. Its totient is φ = 10701504.

The previous prime is 42360679. The next prime is 42360691. The reversal of 42360690 is 9606324.

It is a super-2 number, since 2×423606902 = 3588856114552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42360691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36589 + ... + 37728.

It is an arithmetic number, because the mean of its divisors is an integer number (3344310).

Almost surely, 242360690 is an apocalyptic number.

42360690 is an abundant number, since it is smaller than the sum of its proper divisors (64657230).

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

42360690 is a wasteful number, since it uses less digits than its factorization.

42360690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74346.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 42360690 is about 6508.5090458568. The cubic root of 42360690 is about 348.5948835492.

The spelling of 42360690 in words is "forty-two million, three hundred sixty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 74317 148634 222951 371585 445902 743170 1114755 1412023 2229510 2824046 4236069 7060115 8472138 14120230 21180345 42360690