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620414685 = 3251171127139
BaseRepresentation
bin100100111110101…
…100011011011101
31121020102022221200
4210332230123131
52232311232220
6141321350113
721242303112
oct4476543335
91536368850
10620414685
11299231810
12153938339
139b6c59a7
145c57c909
1539701890
hex24fac6dd

620414685 has 96 divisors (see below), whose sum is σ = 1207664640. Its totient is φ = 292118400.

The previous prime is 620414671. The next prime is 620414689. The reversal of 620414685 is 586414026.

It is not a de Polignac number, because 620414685 - 25 = 620414653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620414689) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4463346 + ... + 4463484.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2620414685 is an apocalyptic number.

It is an amenable number.

620414685 is a deficient number, since it is larger than the sum of its proper divisors (587249955).

620414685 is a wasteful number, since it uses less digits than its factorization.

620414685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 620414685 is about 24908.1248792437. The cubic root of 620414685 is about 852.8919649307.

The spelling of 620414685 in words is "six hundred twenty million, four hundred fourteen thousand, six hundred eighty-five".

Divisors: 1 3 5 9 11 15 33 45 55 71 99 127 139 165 213 355 381 417 495 635 639 695 781 1065 1143 1251 1397 1529 1905 2085 2343 3195 3905 4191 4587 5715 6255 6985 7029 7645 9017 9869 11715 12573 13761 17653 20955 22935 27051 29607 35145 45085 49345 52959 62865 68805 81153 88265 88821 99187 108559 135255 148035 158877 194183 264795 297561 325677 405765 444105 495935 542795 582549 794385 892683 970915 977031 1253363 1487805 1628385 1747647 2912745 3760089 4463415 4885155 6266815 8738235 11280267 13786993 18800445 41360979 56401335 68934965 124082937 206804895 620414685