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90348832 = 2571492707
BaseRepresentation
bin1010110001010…
…01110100100000
320022000012022001
411120221310200
5141112130312
612544253344
72144644450
oct530516440
9208005261
1090348832
1146aaa462
1226311254
1315944962
14bddbd60
157dea057
hex5629d20

90348832 has 48 divisors (see below), whose sum is σ = 204724800. Its totient is φ = 38446848.

The previous prime is 90348799. The next prime is 90348851. The reversal of 90348832 is 23884309.

It is a super-2 number, since 2×903488322 = 16325822887528448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90348791 and 90348800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32023 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (4265100).

Almost surely, 290348832 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 90348832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102362400).

90348832 is an abundant number, since it is smaller than the sum of its proper divisors (114375968).

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

90348832 is a wasteful number, since it uses less digits than its factorization.

90348832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 90348832 is about 9505.2002609098. The cubic root of 90348832 is about 448.7187124469.

The spelling of 90348832 in words is "ninety million, three hundred forty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 149 224 298 596 1043 1192 2086 2384 2707 4172 4768 5414 8344 10828 16688 18949 21656 33376 37898 43312 75796 86624 151592 303184 403343 606368 806686 1613372 2823401 3226744 5646802 6453488 11293604 12906976 22587208 45174416 90348832