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51472896 = 293233147
BaseRepresentation
bin1100010001011…
…0101000000000
310120212002112120
43010112220000
5101134113041
65035124240
71163340516
oct304265000
9116762476
1051472896
1127067392
12152a3680
13a882947
146b9c4b6
1547bb366
hex3116a00

51472896 has 160 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 15544320.

The previous prime is 51472891. The next prime is 51472909. The reversal of 51472896 is 69827415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472891) 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, 1095145 + ... + 1095191.

Almost surely, 251472896 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 51472896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75423744).

51472896 is an abundant number, since it is smaller than the sum of its proper divisors (99374592).

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

51472896 is a wasteful number, since it uses less digits than its factorization.

51472896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 51472896 is about 7174.4613735109. The cubic root of 51472896 is about 371.9856625299.

The spelling of 51472896 in words is "fifty-one million, four hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 31 32 46 47 48 62 64 69 92 93 94 96 124 128 138 141 184 186 188 192 248 256 276 282 368 372 376 384 496 512 552 564 713 736 744 752 768 992 1081 1104 1128 1426 1457 1472 1488 1504 1536 1984 2139 2162 2208 2256 2852 2914 2944 2976 3008 3243 3968 4278 4324 4371 4416 4512 5704 5828 5888 5952 6016 6486 7936 8556 8648 8742 8832 9024 11408 11656 11776 11904 12032 12972 15872 17112 17296 17484 17664 18048 22816 23312 23808 24064 25944 33511 34224 34592 34968 35328 36096 45632 46624 47616 51888 67022 68448 69184 69936 72192 91264 93248 100533 103776 134044 136896 138368 139872 182528 186496 201066 207552 268088 273792 276736 279744 365056 372992 402132 415104 536176 547584 553472 559488 745984 804264 830208 1072352 1095168 1118976 1608528 1660416 2144704 2237952 3217056 4289408 6434112 8578816 12868224 17157632 25736448 51472896