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90799032 = 233231031597
BaseRepresentation
bin1010110100101…
…11101110111000
320022212001212010
411122113232320
5141221032112
613002045520
72151531132
oct532275670
9208761763
1090799032
1147287725
12264a98a0
1315a7184c
14c0b8052
157e8863c
hex5697bb8

90799032 has 64 divisors (see below), whose sum is σ = 239316480. Its totient is φ = 28651392.

The previous prime is 90799019. The next prime is 90799039. The reversal of 90799032 is 23099709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90799039) 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, 56058 + ... + 57654.

It is an arithmetic number, because the mean of its divisors is an integer number (3739320).

Almost surely, 290799032 is an apocalyptic number.

90799032 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90799032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119658240).

90799032 is an abundant number, since it is smaller than the sum of its proper divisors (148517448).

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

90799032 is a wasteful number, since it uses less digits than its factorization.

90799032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 90799032 is about 9528.8526066888. The cubic root of 90799032 is about 449.4627860851.

The spelling of 90799032 in words is "ninety million, seven hundred ninety-nine thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 103 138 184 206 276 309 412 552 618 824 1236 1597 2369 2472 3194 4738 4791 6388 7107 9476 9582 12776 14214 18952 19164 28428 36731 38328 56856 73462 110193 146924 164491 220386 293848 328982 440772 493473 657964 881544 986946 1315928 1973892 3783293 3947784 7566586 11349879 15133172 22699758 30266344 45399516 90799032