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61470486 = 23271144351
BaseRepresentation
bin1110101001111…
…1011100010110
311021200000122200
43222133130112
5111214023421
610033305330
71344330150
oct352373426
9137600580
1061470486
1131775760
1218705246
13c97338c
148241ad0
1555e3726
hex3a9f716

61470486 has 48 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 15966000.

The previous prime is 61470481. The next prime is 61470509. The reversal of 61470486 is 68407416.

It is a self number, because there is not a number n which added to its sum of digits gives 61470486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61470481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20790 + ... + 23561.

It is an arithmetic number, because the mean of its divisors is an integer number (3459456).

Almost surely, 261470486 is an apocalyptic number.

61470486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61470486 is an abundant number, since it is smaller than the sum of its proper divisors (104583402).

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

61470486 is a wasteful number, since it uses less digits than its factorization.

61470486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44377 (or 44374 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 61470486 is about 7840.3116009506. The cubic root of 61470486 is about 394.6591858072.

The spelling of 61470486 in words is "sixty-one million, four hundred seventy thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 44351 88702 133053 266106 310457 399159 487861 620914 798318 931371 975722 1463583 1862742 2794113 2927166 3415027 4390749 5588226 6830054 8781498 10245081 20490162 30735243 61470486