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42284870 = 254228487
BaseRepresentation
bin1010000101001…
…1011101000110
32221120021221022
42201103131012
541311103440
64110151142
71022262335
oct241233506
987507838
1042284870
1121961281
12121b24b2
1389b6844
145889d1c
153aa3cb5
hex2853746

42284870 has 8 divisors (see below), whose sum is σ = 76112784. Its totient is φ = 16913944.

The previous prime is 42284863. The next prime is 42284897. The reversal of 42284870 is 7848224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42284870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114234 + ... + 2114253.

It is an arithmetic number, because the mean of its divisors is an integer number (9514098).

Almost surely, 242284870 is an apocalyptic number.

42284870 is a deficient number, since it is larger than the sum of its proper divisors (33827914).

42284870 is a wasteful number, since it uses less digits than its factorization.

42284870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228494.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 42284870 is about 6502.6817544764. The cubic root of 42284870 is about 348.3867798508.

The spelling of 42284870 in words is "forty-two million, two hundred eighty-four thousand, eight hundred seventy".

Divisors: 1 2 5 10 4228487 8456974 21142435 42284870