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10128320 = 265311021
BaseRepresentation
bin100110101000…
…101111000000
3201001120102222
4212220233000
510043101240
61001030212
7152042426
oct46505700
921046388
1010128320
115798614
123485368
1321380b7
1414b9116
15d50eb5
hex9a8bc0

10128320 has 56 divisors (see below), whose sum is σ = 24920448. Its totient is φ = 3916800.

The previous prime is 10128319. The next prime is 10128341. The reversal of 10128320 is 2382101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410 + ... + 10430.

It is an arithmetic number, because the mean of its divisors is an integer number (445008).

Almost surely, 210128320 is an apocalyptic number.

10128320 is a gapful number since it is divisible by the number (10) 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 10128320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12460224).

10128320 is an abundant number, since it is smaller than the sum of its proper divisors (14792128).

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

10128320 is a wasteful number, since it uses less digits than its factorization.

10128320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10128320 is about 3182.5021602506. The cubic root of 10128320 is about 216.3610787328.

The spelling of 10128320 in words is "ten million, one hundred twenty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 620 992 1021 1240 1984 2042 2480 4084 4960 5105 8168 9920 10210 16336 20420 31651 32672 40840 63302 65344 81680 126604 158255 163360 253208 316510 326720 506416 633020 1012832 1266040 2025664 2532080 5064160 10128320