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10620420 = 2235177007
BaseRepresentation
bin101000100000…
…111000000100
3201222120110220
4220200320010
510204323140
61015344340
7156162216
oct50407004
921876426
1010620420
115aa4308
1236820b0
13227b095
1415a65b6
15debbd0
hexa20e04

10620420 has 24 divisors (see below), whose sum is σ = 29737344. Its totient is φ = 2832096.

The previous prime is 10620397. The next prime is 10620439. The reversal of 10620420 is 2402601.

It is a super-2 number, since 2×106204202 = 225586641952800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10620420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88444 + ... + 88563.

It is an arithmetic number, because the mean of its divisors is an integer number (1239056).

Almost surely, 210620420 is an apocalyptic number.

10620420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10620420 is an abundant number, since it is smaller than the sum of its proper divisors (19116924).

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

10620420 is a wasteful number, since it uses less digits than its factorization.

10620420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177019 (or 177017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10620420 is about 3258.8985869462. The cubic root of 10620420 is about 219.8098908643.

The spelling of 10620420 in words is "ten million, six hundred twenty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 177007 354014 531021 708028 885035 1062042 1770070 2124084 2655105 3540140 5310210 10620420