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52023090 = 2357247729
BaseRepresentation
bin1100011001110…
…0111100110010
310121220001021010
43012130330302
5101304214330
65055011350
71201121550
oct306347462
9117801233
1052023090
1127402799
1215509b56
13aa161c2
146ca2bd0
1548793b0
hex319cf32

52023090 has 32 divisors (see below), whose sum is σ = 142692480. Its totient is φ = 11890944.

The previous prime is 52023089. The next prime is 52023107. The reversal of 52023090 is 9032025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123655 + ... + 124074.

It is an arithmetic number, because the mean of its divisors is an integer number (4459140).

Almost surely, 252023090 is an apocalyptic number.

52023090 is an abundant number, since it is smaller than the sum of its proper divisors (90669390).

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

52023090 is a wasteful number, since it uses less digits than its factorization.

52023090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247746.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 52023090 is about 7212.7033766820. The cubic root of 52023090 is about 373.3063534570.

The spelling of 52023090 in words is "fifty-two million, twenty-three thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 247729 495458 743187 1238645 1486374 1734103 2477290 3468206 3715935 5202309 7431870 8670515 10404618 17341030 26011545 52023090