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407090016 = 25333115199
BaseRepresentation
bin11000010000111…
…011001101100000
31001101000022112000
4120100323031200
51313203340031
6104221204000
713042131234
oct3020731540
91041008460
10407090016
11199878833
12b4400600
1366454788
143c0cc5c4
1525b143e6
hex1843b360

407090016 has 96 divisors (see below), whose sum is σ = 1225728000. Its totient is φ = 131310720.

The previous prime is 407090011. The next prime is 407090051. The reversal of 407090016 is 610090704.

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

It is a super-2 number, since 2×4070900162 = 331444562253760512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407090011) 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, 19185 + ... + 34383.

It is an arithmetic number, because the mean of its divisors is an integer number (12768000).

Almost surely, 2407090016 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 407090016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612864000).

407090016 is an abundant number, since it is smaller than the sum of its proper divisors (818637984).

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

407090016 is a wasteful number, since it uses less digits than its factorization.

407090016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15249 (or 15235 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 407090016 is about 20176.4718422226. The cubic root of 407090016 is about 741.1341362508.

The spelling of 407090016 in words is "four hundred seven million, ninety thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 93 96 108 124 144 186 216 248 279 288 372 432 496 558 744 837 864 992 1116 1488 1674 2232 2976 3348 4464 6696 8928 13392 15199 26784 30398 45597 60796 91194 121592 136791 182388 243184 273582 364776 410373 471169 486368 547164 729552 820746 942338 1094328 1413507 1459104 1641492 1884676 2188656 2827014 3282984 3769352 4240521 4377312 5654028 6565968 7538704 8481042 11308056 12721563 13131936 15077408 16962084 22616112 25443126 33924168 45232224 50886252 67848336 101772504 135696672 203545008 407090016