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10638704 = 243189241
BaseRepresentation
bin101000100101…
…010101110000
3202000111120002
4220211111300
510210414304
61020005132
7156266426
oct50452560
922014502
1010638704
11600701a
1236907a8
1322864bb
1415ad116
15e0231e
hexa25570

10638704 has 40 divisors (see below), whose sum is σ = 21605760. Its totient is φ = 5068800.

The previous prime is 10638701. The next prime is 10638707. The reversal of 10638704 is 40783601.

It is an interprime number because it is at equal distance from previous prime (10638701) and next prime (10638707).

It is a super-2 number, since 2×106387042 = 226364045599232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44024 + ... + 44264.

It is an arithmetic number, because the mean of its divisors is an integer number (540144).

Almost surely, 210638704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10638704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10802880).

10638704 is an abundant number, since it is smaller than the sum of its proper divisors (10967056).

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

10638704 is a wasteful number, since it uses less digits than its factorization.

10638704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 10638704 is about 3261.7026228643. The cubic root of 10638704 is about 219.9359593214.

The spelling of 10638704 in words is "ten million, six hundred thirty-eight thousand, seven hundred four".

Divisors: 1 2 4 8 16 31 62 89 124 178 241 248 356 482 496 712 964 1424 1928 2759 3856 5518 7471 11036 14942 21449 22072 29884 42898 44144 59768 85796 119536 171592 343184 664919 1329838 2659676 5319352 10638704