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10407072 = 2531331269
BaseRepresentation
bin100111101100…
…110010100000
3201120201211010
4213230302200
510131011242
61011020520
7154313214
oct47546240
921521733
1010407072
115968a95
12359a740
132204c40
14154c944
15da889c
hex9ecca0

10407072 has 96 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 3087360.

The previous prime is 10407031. The next prime is 10407097. The reversal of 10407072 is 27070401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×104070722 = 216614295226368, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 38554 + ... + 38822.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 210407072 is an apocalyptic number.

10407072 is a gapful number since it is divisible by the number (12) 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 10407072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

10407072 is an abundant number, since it is smaller than the sum of its proper divisors (20074848).

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

10407072 is a wasteful number, since it uses less digits than its factorization.

10407072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 10407072 is about 3225.9993800371. Note that the first 3 decimals coincide. The cubic root of 10407072 is about 218.3280418792.

Adding to 10407072 its reverse (27070401), we get a palindrome (37477473).

The spelling of 10407072 in words is "ten million, four hundred seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 78 93 96 104 124 156 186 208 248 269 312 372 403 416 496 538 624 744 806 807 992 1076 1209 1248 1488 1612 1614 2152 2418 2976 3224 3228 3497 4304 4836 6448 6456 6994 8339 8608 9672 10491 12896 12912 13988 16678 19344 20982 25017 25824 27976 33356 38688 41964 50034 55952 66712 83928 100068 108407 111904 133424 167856 200136 216814 266848 325221 335712 400272 433628 650442 800544 867256 1300884 1734512 2601768 3469024 5203536 10407072