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11906920 = 2351915667
BaseRepresentation
bin101101011010…
…111101101000
3211101221020001
4231122331220
511022010140
61103112344
7203131024
oct55327550
924357201
1011906920
1167a2933
123ba26b4
13260b81c
14181d384
1510a2e9a
hexb5af68

11906920 has 32 divisors (see below), whose sum is σ = 28202400. Its totient is φ = 4511808.

The previous prime is 11906911. The next prime is 11906929. The reversal of 11906920 is 2960911.

It is an interprime number because it is at equal distance from previous prime (11906911) and next prime (11906929).

It is not an unprimeable number, because it can be changed into a prime (11906929) 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, 7074 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (881325).

Almost surely, 211906920 is an apocalyptic number.

11906920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11906920 is an abundant number, since it is smaller than the sum of its proper divisors (16295480).

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

11906920 is a wasteful number, since it uses less digits than its factorization.

11906920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15697 (or 15693 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11906920 is about 3450.6405202513. The cubic root of 11906920 is about 228.3493669219.

The spelling of 11906920 in words is "eleven million, nine hundred six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 15667 31334 62668 78335 125336 156670 297673 313340 595346 626680 1190692 1488365 2381384 2976730 5953460 11906920