[go: up one dir, main page]

Search a number
-
+
51472476 = 223311371171
BaseRepresentation
bin1100010001011…
…0100001011100
310120212001222000
43010112201130
5101134104401
65035122300
71163336346
oct304264134
9116761860
1051472476
1127067040
12152a3390
13a8826b3
146b9c296
1547bb186
hex311685c

51472476 has 96 divisors (see below), whose sum is σ = 149640960. Its totient is φ = 15163200.

The previous prime is 51472469. The next prime is 51472489. The reversal of 51472476 is 67427415.

51472476 is a `hidden beast` number, since 514 + 72 + 4 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51472476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43371 + ... + 44541.

It is an arithmetic number, because the mean of its divisors is an integer number (1558760).

Almost surely, 251472476 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 51472476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74820480).

51472476 is an abundant number, since it is smaller than the sum of its proper divisors (98168484).

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

51472476 is a wasteful number, since it uses less digits than its factorization.

51472476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1224 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 51472476 is about 7174.4321029612. The cubic root of 51472476 is about 371.9846507715.

The spelling of 51472476 in words is "fifty-one million, four hundred seventy-two thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 37 44 54 66 74 99 108 111 132 148 198 222 297 333 396 407 444 594 666 814 999 1171 1188 1221 1332 1628 1998 2342 2442 3513 3663 3996 4684 4884 7026 7326 10539 10989 12881 14052 14652 21078 21978 25762 31617 38643 42156 43327 43956 51524 63234 77286 86654 115929 126468 129981 154572 173308 231858 259962 347787 389943 463716 476597 519924 695574 779886 953194 1169829 1391148 1429791 1559772 1906388 2339658 2859582 4289373 4679316 5719164 8578746 12868119 17157492 25736238 51472476