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74561056460 = 225113171069129
BaseRepresentation
bin100010101110000101…
…1110110111011001100
321010110021210010002122
41011130023312323030
52210200112301320
654130342112112
75246456344232
oct1053413667314
9233407703078
1074561056460
1129691855320
121254a41b638
13705337ac27
143874696952
151e15c5ed25
hex115c2f6ecc

74561056460 has 48 divisors (see below), whose sum is σ = 171351603360. Its totient is φ = 27027555840.

The previous prime is 74561056459. The next prime is 74561056469. The reversal of 74561056460 is 6465016547.

It is a super-2 number, since 2×745610564602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (74561056469) 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, 464825 + ... + 604304.

It is an arithmetic number, because the mean of its divisors is an integer number (3569825070).

Almost surely, 274561056460 is an apocalyptic number.

It is an amenable number.

74561056460 is an abundant number, since it is smaller than the sum of its proper divisors (96790546900).

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

74561056460 is a wasteful number, since it uses less digits than its factorization.

74561056460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069466 (or 1069464 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 74561056460 in words is "seventy-four billion, five hundred sixty-one million, fifty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 317 634 1268 1585 3170 3487 6340 6974 13948 17435 34870 69740 1069129 2138258 4276516 5345645 10691290 11760419 21382580 23520838 47041676 58802095 117604190 235208380 338913893 677827786 1355655572 1694569465 3389138930 3728052823 6778277860 7456105646 14912211292 18640264115 37280528230 74561056460