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90738825 = 3522941719
BaseRepresentation
bin1010110100010…
…01000010001001
320022202000021020
411122021002021
5141212120300
613000503053
72151160452
oct532110211
9208660236
1090738825
1147246471
122647aa89
1315a50318
14c0a0129
157e758a0
hex5689089

90738825 has 24 divisors (see below), whose sum is σ = 155198400. Its totient is φ = 46724160.

The previous prime is 90738797. The next prime is 90738827. The reversal of 90738825 is 52883709.

It is not a de Polignac number, because 90738825 - 26 = 90738761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90738827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18685 + ... + 23034.

It is an arithmetic number, because the mean of its divisors is an integer number (6466600).

Almost surely, 290738825 is an apocalyptic number.

It is an amenable number.

90738825 is a deficient number, since it is larger than the sum of its proper divisors (64459575).

90738825 is a wasteful number, since it uses less digits than its factorization.

90738825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41761 (or 41756 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90738825 is about 9525.6928881840. The cubic root of 90738825 is about 449.3634208946.

The spelling of 90738825 in words is "ninety million, seven hundred thirty-eight thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 29 75 87 145 435 725 2175 41719 125157 208595 625785 1042975 1209851 3128925 3629553 6049255 18147765 30246275 90738825