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90386552 = 23173112137
BaseRepresentation
bin1010110001100…
…11000001111000
320022002010001002
411120303001320
5141114332202
612545144132
72145162434
oct530630170
9208063032
1090386552
1147025833
122632b048
1315958b89
14c00b9c4
157e06302
hex5633078

90386552 has 32 divisors (see below), whose sum is σ = 180105120. Its totient is φ = 42378240.

The previous prime is 90386539. The next prime is 90386563. The reversal of 90386552 is 25568309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41228 + ... + 43364.

It is an arithmetic number, because the mean of its divisors is an integer number (5628285).

Almost surely, 290386552 is an apocalyptic number.

It is an amenable number.

90386552 is a deficient number, since it is larger than the sum of its proper divisors (89718568).

90386552 is a wasteful number, since it uses less digits than its factorization.

90386552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 90386552 is about 9507.1842308856. The cubic root of 90386552 is about 448.7811493910.

The spelling of 90386552 in words is "ninety million, three hundred eighty-six thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17 34 68 136 311 622 1244 2137 2488 4274 5287 8548 10574 17096 21148 36329 42296 72658 145316 290632 664607 1329214 2658428 5316856 11298319 22596638 45193276 90386552