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10621039 = 1113172257
BaseRepresentation
bin101000100001…
…000001101111
3201222121022211
4220201001233
510204333124
61015351251
7156164062
oct50410157
921877284
1010621039
115aa4820
123682527
13227b450
1415a68d9
15debe94
hexa2106f

10621039 has 24 divisors (see below), whose sum is σ = 13306608. Its totient is φ = 8355840.

The previous prime is 10621027. The next prime is 10621049. The reversal of 10621039 is 93012601.

It is not a de Polignac number, because 10621039 - 25 = 10621007 is a prime.

It is a super-2 number, since 2×106210392 = 225612938879042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621049) 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, 41199 + ... + 41455.

It is an arithmetic number, because the mean of its divisors is an integer number (554442).

Almost surely, 210621039 is an apocalyptic number.

10621039 is a deficient number, since it is larger than the sum of its proper divisors (2685569).

10621039 is a wasteful number, since it uses less digits than its factorization.

10621039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 10621039 is about 3258.9935562992. The cubic root of 10621039 is about 219.8141612440.

The spelling of 10621039 in words is "ten million, six hundred twenty-one thousand, thirty-nine".

Divisors: 1 11 13 17 143 187 221 257 289 2431 2827 3179 3341 3757 4369 36751 41327 48059 56797 74273 624767 817003 965549 10621039