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830402256 = 24397178351
BaseRepresentation
bin110001011111101…
…110111011010000
32010212112210202010
4301133232323100
53200040333011
6214222222520
726402205555
oct6137567320
92125483663
10830402256
11396816562
121b2124a40
13103068ca8
147c400a2c
154cd801a6
hex317eeed0

830402256 has 40 divisors (see below), whose sum is σ = 2167333504. Its totient is φ = 273945600.

The previous prime is 830402227. The next prime is 830402257. The reversal of 830402256 is 652204038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830402257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84520 + ... + 93831.

Almost surely, 2830402256 is an apocalyptic number.

It is an amenable number.

830402256 is an abundant number, since it is smaller than the sum of its proper divisors (1336931248).

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

830402256 is a wasteful number, since it uses less digits than its factorization.

830402256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178459 (or 178453 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 830402256 is about 28816.7009909184. The cubic root of 830402256 is about 939.9314330550.

The spelling of 830402256 in words is "eight hundred thirty million, four hundred two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 97 194 291 388 582 776 1164 1552 2328 4656 178351 356702 535053 713404 1070106 1426808 2140212 2853616 4280424 8560848 17300047 34600094 51900141 69200188 103800282 138400376 207600564 276800752 415201128 830402256