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1830790656 = 29321723371
BaseRepresentation
bin110110100011111…
…1010011000000000
311201120221210122100
41231013322120000
512222140300111
6501400110400
763240315042
oct15507723000
94646853570
101830790656
1185a485132
12431165400
132323b0ba6
1413520da92
15aaadb756
hex6d1fa600

1830790656 has 120 divisors (see below), whose sum is σ = 5594836104. Its totient is φ = 574341120.

The previous prime is 1830790649. The next prime is 1830790669. The reversal of 1830790656 is 6560970381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66651 + ... + 90021.

Almost surely, 21830790656 is an apocalyptic number.

1830790656 is a gapful number since it is divisible by the number (16) 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 1830790656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797418052).

1830790656 is an abundant number, since it is smaller than the sum of its proper divisors (3764045448).

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

1830790656 is a wasteful number, since it uses less digits than its factorization.

1830790656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412 (or 23393 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1830790656 is about 42787.7395523531. The cubic root of 1830790656 is about 1223.3373319311.

The spelling of 1830790656 in words is "one billion, eight hundred thirty million, seven hundred ninety thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 256 272 288 306 384 408 512 544 576 612 768 816 1088 1152 1224 1536 1632 2176 2304 2448 3264 4352 4608 4896 6528 8704 9792 13056 19584 23371 26112 39168 46742 70113 78336 93484 140226 186968 210339 280452 373936 397307 420678 560904 747872 794614 841356 1121808 1191921 1495744 1589228 1682712 2243616 2383842 2991488 3178456 3365424 3575763 4487232 4767684 5982976 6356912 6730848 7151526 8974464 9535368 11965952 12713824 13461696 14303052 17948928 19070736 25427648 26923392 28606104 35897856 38141472 50855296 53846784 57212208 76282944 101710592 107693568 114424416 152565888 203421184 228848832 305131776 457697664 610263552 915395328 1830790656