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51314472 = 23341123313
BaseRepresentation
bin1100001110111…
…1111100101000
310120120001020000
43003233330220
5101114030342
65031503000
71162110606
oct303577450
9116501200
1051314472
1126a69360
1215227a60
13a8287c1
146b5a876
15478944c
hex30eff28

51314472 has 160 divisors (see below), whose sum is σ = 164134080. Its totient is φ = 14826240.

The previous prime is 51314453. The next prime is 51314503. The reversal of 51314472 is 27441315.

51314472 is a `hidden beast` number, since 513 + 144 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163788 + ... + 164100.

It is an arithmetic number, because the mean of its divisors is an integer number (1025838).

Almost surely, 251314472 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 51314472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82067040).

51314472 is an abundant number, since it is smaller than the sum of its proper divisors (112819608).

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

51314472 is a wasteful number, since it uses less digits than its factorization.

51314472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 352 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51314472 is about 7163.4120361738. The cubic root of 51314472 is about 371.6036360991.

Adding to 51314472 its reverse (27441315), we get a palindrome (78755787).

The spelling of 51314472 in words is "fifty-one million, three hundred fourteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 23 24 27 33 36 44 46 54 66 69 72 81 88 92 99 108 132 138 162 184 198 207 216 253 264 276 297 313 324 396 414 506 552 594 621 626 648 759 792 828 891 939 1012 1188 1242 1252 1518 1656 1782 1863 1878 2024 2277 2376 2484 2504 2817 3036 3443 3564 3726 3756 4554 4968 5634 6072 6831 6886 7128 7199 7452 7512 8451 9108 10329 11268 13662 13772 14398 14904 16902 18216 20493 20658 21597 22536 25353 27324 27544 28796 30987 33804 40986 41316 43194 50706 54648 57592 61974 64791 67608 79189 81972 82632 86388 92961 101412 123948 129582 158378 163944 172776 185922 194373 202824 237567 247896 259164 278883 316756 371844 388746 475134 518328 557766 583119 633512 712701 743688 777492 950268 1115532 1166238 1425402 1554984 1900536 2138103 2231064 2332476 2850804 4276206 4664952 5701608 6414309 8552412 12828618 17104824 25657236 51314472