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11361972 = 2235871613
BaseRepresentation
bin101011010101…
…111010110100
3210101020200210
4223111322310
510402040342
61043305420
7165401166
oct53257264
923336623
1011361972
116460466
12397b270
13247a77b
14171a936
15ee679c
hexad5eb4

11361972 has 24 divisors (see below), whose sum is σ = 26572896. Its totient is φ = 3778528.

The previous prime is 11361971. The next prime is 11361983. The reversal of 11361972 is 27916311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361971) 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, 6238 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (1107204).

Almost surely, 211361972 is an apocalyptic number.

11361972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11361972 is an abundant number, since it is smaller than the sum of its proper divisors (15210924).

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

11361972 is a wasteful number, since it uses less digits than its factorization.

11361972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

The product of its digits is 2268, while the sum is 30.

The square root of 11361972 is about 3370.7524382547. The cubic root of 11361972 is about 224.8111798579.

The spelling of 11361972 in words is "eleven million, three hundred sixty-one thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 587 1174 1613 1761 2348 3226 3522 4839 6452 7044 9678 19356 946831 1893662 2840493 3787324 5680986 11361972