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90894852 = 223317311597
BaseRepresentation
bin1010110101011…
…11001000000100
320100000221022000
411122233020010
5141232113402
613004105300
72152410366
oct532571004
9210027260
1090894852
1147342714
1226535230
1315aa6349
14c100d36
157ea6c1c
hex56af204

90894852 has 96 divisors (see below), whose sum is σ = 257725440. Its totient is φ = 27578880.

The previous prime is 90894847. The next prime is 90894857. The reversal of 90894852 is 25849809.

90894852 is a `hidden beast` number, since 90 + 89 + 485 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (90894847) and next prime (90894857).

It is a junction number, because it is equal to n+sod(n) for n = 90894798 and 90894807.

It is not an unprimeable number, because it can be changed into a prime (90894857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56118 + ... + 57714.

It is an arithmetic number, because the mean of its divisors is an integer number (2684640).

Almost surely, 290894852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90894852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128862720).

90894852 is an abundant number, since it is smaller than the sum of its proper divisors (166830588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90894852 is a wasteful number, since it uses less digits than its factorization.

90894852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 90894852 is about 9533.8791685232. The cubic root of 90894852 is about 449.6208361670.

The spelling of 90894852 in words is "ninety million, eight hundred ninety-four thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 31 34 36 51 54 62 68 93 102 108 124 153 186 204 279 306 372 459 527 558 612 837 918 1054 1116 1581 1597 1674 1836 2108 3162 3194 3348 4743 4791 6324 6388 9486 9582 14229 14373 18972 19164 27149 28458 28746 43119 49507 54298 56916 57492 81447 86238 99014 108596 148521 162894 172476 198028 244341 297042 325788 445563 488682 594084 733023 841619 891126 977364 1336689 1466046 1683238 1782252 2524857 2673378 2932092 3366476 5049714 5346756 7574571 10099428 15149142 22723713 30298284 45447426 90894852