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61485696 = 273317791
BaseRepresentation
bin1110101010001…
…1001010000000
311021200210112000
43222203022000
5111220020241
610033504000
71344422406
oct352431200
9137623460
1061485696
1131786128
1218712000
13c97a28c
148247476
1555e7eb6
hex3aa3280

61485696 has 64 divisors (see below), whose sum is σ = 181478400. Its totient is φ = 20494080.

The previous prime is 61485689. The next prime is 61485727. The reversal of 61485696 is 69658416.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (2835600).

Almost surely, 261485696 is an apocalyptic number.

It is an amenable number.

61485696 is an abundant number, since it is smaller than the sum of its proper divisors (119992704).

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

61485696 is a wasteful number, since it uses less digits than its factorization.

61485696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17814 (or 17796 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 61485696 is about 7841.2815279137. The cubic root of 61485696 is about 394.6917340624.

The spelling of 61485696 in words is "sixty-one million, four hundred eighty-five thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 17791 35582 53373 71164 106746 142328 160119 213492 284656 320238 426984 480357 569312 640476 853968 960714 1138624 1280952 1707936 1921428 2277248 2561904 3415872 3842856 5123808 6831744 7685712 10247616 15371424 20495232 30742848 61485696