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90741092 = 221331181311
BaseRepresentation
bin1010110100010…
…01100101100100
320022202010101012
411122021211210
5141212203332
613000521352
72151200201
oct532114544
9208663335
1090741092
1147248142
1226480258
1315a51370
14c0a0ca8
157e763b2
hex5689964

90741092 has 48 divisors (see below), whose sum is σ = 178074624. Its totient is φ = 40176000.

The previous prime is 90741041. The next prime is 90741097. The reversal of 90741092 is 29014709.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (90741097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291617 + ... + 291927.

It is an arithmetic number, because the mean of its divisors is an integer number (3709888).

Almost surely, 290741092 is an apocalyptic number.

It is an amenable number.

90741092 is a deficient number, since it is larger than the sum of its proper divisors (87333532).

90741092 is a wasteful number, since it uses less digits than its factorization.

90741092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 90741092 is about 9525.8118814094. The cubic root of 90741092 is about 449.3671631310.

The spelling of 90741092 in words is "ninety million, seven hundred forty-one thousand, ninety-two".

Divisors: 1 2 4 13 26 31 52 62 124 181 311 362 403 622 724 806 1244 1612 2353 4043 4706 5611 8086 9412 9641 11222 16172 19282 22444 38564 56291 72943 112582 125333 145886 225164 250666 291772 501332 731783 1463566 1745021 2927132 3490042 6980084 22685273 45370546 90741092