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42015032 = 235251879
BaseRepresentation
bin1010000001000…
…1100100111000
32221001120210022
42200101210320
541223440112
64100310012
71020056543
oct240214470
987046708
1042015032
1121797574
12120a2308
138920a87
14581985a
153a4dd72
hex2811938

42015032 has 8 divisors (see below), whose sum is σ = 78778200. Its totient is φ = 21007512.

The previous prime is 42015019. The next prime is 42015047. The reversal of 42015032 is 23051024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×420150322 = 3530525827922048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42015032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625932 + ... + 2625947.

It is an arithmetic number, because the mean of its divisors is an integer number (9847275).

Almost surely, 242015032 is an apocalyptic number.

It is an amenable number.

42015032 is a deficient number, since it is larger than the sum of its proper divisors (36763168).

42015032 is a wasteful number, since it uses less digits than its factorization.

42015032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251885 (or 5251881 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42015032 is about 6481.9003386353. The cubic root of 42015032 is about 347.6441290919.

Adding to 42015032 its reverse (23051024), we get a palindrome (65066056).

The spelling of 42015032 in words is "forty-two million, fifteen thousand, thirty-two".

Divisors: 1 2 4 8 5251879 10503758 21007516 42015032