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52893890 = 257755627
BaseRepresentation
bin1100100111000…
…1100011000010
310200112021202222
43021301203002
5102020101030
65125411042
71211406410
oct311614302
9120467688
1052893890
1127947a65
1215869a82
13ac5c67a
14704c2b0
15499c3e5
hex32718c2

52893890 has 16 divisors (see below), whose sum is σ = 108810432. Its totient is φ = 18135024.

The previous prime is 52893871. The next prime is 52893923. The reversal of 52893890 is 9839825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377744 + ... + 377883.

It is an arithmetic number, because the mean of its divisors is an integer number (6800652).

Almost surely, 252893890 is an apocalyptic number.

52893890 is an abundant number, since it is smaller than the sum of its proper divisors (55916542).

52893890 is a wasteful number, since it uses less digits than its factorization.

52893890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755641.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 52893890 is about 7272.8185732906. The cubic root of 52893890 is about 375.3777290240.

The spelling of 52893890 in words is "fifty-two million, eight hundred ninety-three thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 755627 1511254 3778135 5289389 7556270 10578778 26446945 52893890