Search a number
-
+
10656920 = 235299187
BaseRepresentation
bin101000101001…
…110010011000
3202001102112202
4220221302120
510212010140
61020225332
7156403511
oct50516230
922042482
1010656920
11601977a
12369b248
132291891
1415b5a08
15e07915
hexa29c98

10656920 has 32 divisors (see below), whose sum is σ = 24807600. Its totient is φ = 4115328.

The previous prime is 10656911. The next prime is 10656923. The reversal of 10656920 is 2965601.

It is a super-2 number, since 2×106569202 = 227139887772800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656923) 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, 3434 + ... + 5753.

Almost surely, 210656920 is an apocalyptic number.

10656920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10656920 is an abundant number, since it is smaller than the sum of its proper divisors (14150680).

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

10656920 is a wasteful number, since it uses less digits than its factorization.

10656920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9223 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10656920 is about 3264.4938351910. The cubic root of 10656920 is about 220.0614153605.

The spelling of 10656920 in words is "ten million, six hundred fifty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 9187 18374 36748 45935 73496 91870 183740 266423 367480 532846 1065692 1332115 2131384 2664230 5328460 10656920