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90428282 = 2747532593
BaseRepresentation
bin1010110001111…
…01001101111010
320022011020021122
411120331031322
5141122201112
612550105242
72145425210
oct530751572
9208136248
1090428282
114705411a
122634b222
1315971b79
14c01ccb0
157e13872
hex563d37a

90428282 has 32 divisors (see below), whose sum is σ = 161367552. Its totient is φ = 37200384.

The previous prime is 90428243. The next prime is 90428309. The reversal of 90428282 is 28282409.

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, 33578 + ... + 36170.

It is an arithmetic number, because the mean of its divisors is an integer number (5042736).

Almost surely, 290428282 is an apocalyptic number.

90428282 is a deficient number, since it is larger than the sum of its proper divisors (70939270).

90428282 is a wasteful number, since it uses less digits than its factorization.

90428282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 90428282 is about 9509.3786337489. The cubic root of 90428282 is about 448.8502037492.

The spelling of 90428282 in words is "ninety million, four hundred twenty-eight thousand, two hundred eighty-two".

Divisors: 1 2 7 14 47 53 94 106 329 371 658 742 2491 2593 4982 5186 17437 18151 34874 36302 121871 137429 243742 274858 853097 962003 1706194 1924006 6459163 12918326 45214141 90428282