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90750872 = 2383971409
BaseRepresentation
bin1010110100010…
…11111110011000
320022202121210102
411122023332120
5141213011442
613001034532
72151240542
oct532137630
9208677712
1090750872
1147254523
1226485a48
1315a55954
14c0a4692
157e79232
hex568bf98

90750872 has 32 divisors (see below), whose sum is σ = 174106800. Its totient is φ = 44335104.

The previous prime is 90750871. The next prime is 90750883. The reversal of 90750872 is 27805709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90750871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63704 + ... + 65112.

Almost surely, 290750872 is an apocalyptic number.

It is an amenable number.

90750872 is a deficient number, since it is larger than the sum of its proper divisors (83355928).

90750872 is a wasteful number, since it uses less digits than its factorization.

90750872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 90750872 is about 9526.3252096493. The cubic root of 90750872 is about 449.3833066916.

The spelling of 90750872 in words is "ninety million, seven hundred fifty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 83 97 166 194 332 388 664 776 1409 2818 5636 8051 11272 16102 32204 64408 116947 136673 233894 273346 467788 546692 935576 1093384 11343859 22687718 45375436 90750872