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420153461 = 71345710103
BaseRepresentation
bin11001000010110…
…000100001110101
31002021121000012022
4121002300201311
51330024402321
6105405202525
713261150130
oct3102604165
91067530168
10420153461
111a6190572
12b8860445
1369079820
143db2d217
1526d44dab
hex190b0875

420153461 has 16 divisors (see below), whose sum is σ = 518294784. Its totient is φ = 331668864.

The previous prime is 420153457. The next prime is 420153469. The reversal of 420153461 is 164351024.

It is a cyclic number.

It is not a de Polignac number, because 420153461 - 22 = 420153457 is a prime.

It is a super-3 number, since 3×4201534613 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420153461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420153469) 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, 36536 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (32393424).

Almost surely, 2420153461 is an apocalyptic number.

It is an amenable number.

420153461 is a deficient number, since it is larger than the sum of its proper divisors (98141323).

420153461 is a wasteful number, since it uses less digits than its factorization.

420153461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 420153461 is about 20497.6452550043. The cubic root of 420153461 is about 748.9784379204.

The spelling of 420153461 in words is "four hundred twenty million, one hundred fifty-three thousand, four hundred sixty-one".

Divisors: 1 7 13 91 457 3199 5941 10103 41587 70721 131339 919373 4617071 32319497 60021923 420153461