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434087472 = 243721314197
BaseRepresentation
bin11001110111111…
…010011000110000
31010020210221001210
4121313322120300
51342111244342
6111024000120
713520453100
oct3167723060
91106727053
10434087472
11203038385
12101460040
136bc17bc0
1441919200
152819879c
hex19dfa630

434087472 has 120 divisors (see below), whose sum is σ = 1404920496. Its totient is φ = 114476544.

The previous prime is 434087461. The next prime is 434087473. The reversal of 434087472 is 274780434.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 434087472.

It is not an unprimeable number, because it can be changed into a prime (434087473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23478 + ... + 37674.

Almost surely, 2434087472 is an apocalyptic number.

434087472 is a gapful number since it is divisible by the number (42) 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 434087472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702460248).

434087472 is an abundant number, since it is smaller than the sum of its proper divisors (970833024).

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

434087472 is a wasteful number, since it uses less digits than its factorization.

434087472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14235 (or 14222 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 434087472 is about 20834.7659454096. The cubic root of 434087472 is about 757.1682896677.

The spelling of 434087472 in words is "four hundred thirty-four million, eighty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 196 208 273 294 312 336 364 392 546 588 624 637 728 784 1092 1176 1274 1456 1911 2184 2352 2548 3822 4368 5096 7644 10192 14197 15288 28394 30576 42591 56788 85182 99379 113576 170364 184561 198758 227152 298137 340728 369122 397516 553683 596274 681456 695653 738244 795032 1107366 1192548 1291927 1391306 1476488 1590064 2086959 2214732 2385096 2583854 2782612 2952976 3875781 4173918 4429464 4770192 5167708 5565224 7751562 8347836 8858928 9043489 10335416 11130448 15503124 16695672 18086978 20670832 27130467 31006248 33391344 36173956 54260934 62012496 72347912 108521868 144695824 217043736 434087472