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23404451430 = 2353792058439
BaseRepresentation
bin10101110011000000…
…111001011001100110
32020102002121022122110
4111303000321121212
5340413014421210
614430222341450
71455661361163
oct256300713146
966362538573
1023404451430
119a20225848
12465212a886
13228cacb939
1411c04d106a
1591eaa2420
hex573039666

23404451430 has 32 divisors (see below), whose sum is σ = 56318918400. Its totient is φ = 6224716512.

The previous prime is 23404451387. The next prime is 23404451449. The reversal of 23404451430 is 3415440432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017850 + ... + 1040589.

It is an arithmetic number, because the mean of its divisors is an integer number (1759966200).

Almost surely, 223404451430 is an apocalyptic number.

23404451430 is an abundant number, since it is smaller than the sum of its proper divisors (32914466970).

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

23404451430 is a wasteful number, since it uses less digits than its factorization.

23404451430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058828.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 23404451430 its reverse (3415440432), we get a palindrome (26819891862).

The spelling of 23404451430 in words is "twenty-three billion, four hundred four million, four hundred fifty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 379 758 1137 1895 2274 3790 5685 11370 2058439 4116878 6175317 10292195 12350634 20584390 30876585 61753170 780148381 1560296762 2340445143 3900741905 4680890286 7801483810 11702225715 23404451430