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11208972 = 2231496269
BaseRepresentation
bin101010110000…
…100100001100
3210002110211010
4222300210030
510332141342
61040125220
7164163135
oct52604414
923073733
1011208972
116366515
123906810
132425c38
1416bac8c
15eb629c
hexab090c

11208972 has 24 divisors (see below), whose sum is σ = 26334000. Its totient is φ = 3710656.

The previous prime is 11208959. The next prime is 11208973. The reversal of 11208972 is 27980211.

It is not an unprimeable number, because it can be changed into a prime (11208973) 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, 1347 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (1097250).

Almost surely, 211208972 is an apocalyptic number.

11208972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11208972 is an abundant number, since it is smaller than the sum of its proper divisors (15125028).

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

11208972 is a wasteful number, since it uses less digits than its factorization.

11208972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11208972 is about 3347.9802866803. The cubic root of 11208972 is about 223.7975157871.

The spelling of 11208972 in words is "eleven million, two hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 6269 12538 18807 25076 37614 75228 934081 1868162 2802243 3736324 5604486 11208972