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614061980 = 22577016257
BaseRepresentation
bin100100100110011…
…101011110011100
31120210110120200022
4210212131132130
52224144440410
6140533251312
721134304110
oct4446353634
91523416608
10614061980
11295692944
12151793b38
139a2b02ac
145b7a7740
1538d99455
hex2499d79c

614061980 has 48 divisors (see below), whose sum is σ = 1476086976. Its totient is φ = 210201600.

The previous prime is 614061977. The next prime is 614061989. The reversal of 614061980 is 89160416.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 614061980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614061989) 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, 95012 + ... + 101268.

It is an arithmetic number, because the mean of its divisors is an integer number (30751812).

Almost surely, 2614061980 is an apocalyptic number.

It is an amenable number.

614061980 is an abundant number, since it is smaller than the sum of its proper divisors (862024996).

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

614061980 is a wasteful number, since it uses less digits than its factorization.

614061980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 614061980 is about 24780.2740097845. The cubic root of 614061980 is about 849.9709240342.

The spelling of 614061980 in words is "six hundred fourteen million, sixty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 701 1402 2804 3505 4907 6257 7010 9814 12514 14020 19628 24535 25028 31285 43799 49070 62570 87598 98140 125140 175196 218995 437990 875980 4386157 8772314 17544628 21930785 30703099 43861570 61406198 87723140 122812396 153515495 307030990 614061980