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393014940 = 223547139367
BaseRepresentation
bin10111011011001…
…110111010011100
31000101112020010220
4113123032322130
51301102434230
6102555401340
712511400103
oct2733167234
91011466126
10393014940
11191934a3a
12ab753250
1363567126
143a2a703a
1524783d10
hex176cee9c

393014940 has 48 divisors (see below), whose sum is σ = 1123863552. Its totient is φ = 102573376.

The previous prime is 393014933. The next prime is 393014983. The reversal of 393014940 is 49410393.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66864 + ... + 72503.

It is an arithmetic number, because the mean of its divisors is an integer number (23413824).

Almost surely, 2393014940 is an apocalyptic number.

393014940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

393014940 is an abundant number, since it is smaller than the sum of its proper divisors (730848612).

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

393014940 is a wasteful number, since it uses less digits than its factorization.

393014940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139426 (or 139424 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 393014940 is about 19824.6044096723. The cubic root of 393014940 is about 732.4922261908.

The spelling of 393014940 in words is "three hundred ninety-three million, fourteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 139367 278734 418101 557468 696835 836202 1393670 1672404 2090505 2787340 4181010 6550249 8362020 13100498 19650747 26200996 32751245 39301494 65502490 78602988 98253735 131004980 196507470 393014940