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428938752 = 2931153479
BaseRepresentation
bin11001100100010…
…001011000000000
31002220010100100110
4121210101120000
51334302020002
6110321351320
713425630204
oct3144213000
91086110313
10428938752
11200141040
12bb798540
136ab34518
1440d78b04
15279cce6c
hex19911600

428938752 has 160 divisors (see below), whose sum is σ = 1272775680. Its totient is φ = 127262720.

The previous prime is 428938751. The next prime is 428938759. The reversal of 428938752 is 257839824.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428938751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895249 + ... + 895727.

It is an arithmetic number, because the mean of its divisors is an integer number (7954848).

Almost surely, 2428938752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428938752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636387840).

428938752 is an abundant number, since it is smaller than the sum of its proper divisors (843836928).

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

428938752 is a wasteful number, since it uses less digits than its factorization.

428938752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 548 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 428938752 is about 20710.8365837790. The cubic root of 428938752 is about 754.1627793877.

The spelling of 428938752 in words is "four hundred twenty-eight million, nine hundred thirty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 53 64 66 88 96 106 128 132 159 176 192 212 256 264 318 352 384 424 479 512 528 583 636 704 768 848 958 1056 1166 1272 1408 1437 1536 1696 1749 1916 2112 2332 2544 2816 2874 3392 3498 3832 4224 4664 5088 5269 5632 5748 6784 6996 7664 8448 9328 10176 10538 11496 13568 13992 15328 15807 16896 18656 20352 21076 22992 25387 27136 27984 30656 31614 37312 40704 42152 45984 50774 55968 61312 63228 74624 76161 81408 84304 91968 101548 111936 122624 126456 149248 152322 168608 183936 203096 223872 245248 252912 279257 298496 304644 337216 367872 406192 447744 505824 558514 609288 674432 735744 812384 837771 895488 1011648 1117028 1218576 1348864 1624768 1675542 2023296 2234056 2437152 2697728 3249536 3351084 4046592 4468112 4874304 6499072 6702168 8093184 8936224 9748608 12998144 13404336 17872448 19497216 26808672 35744896 38994432 53617344 71489792 107234688 142979584 214469376 428938752