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11371972 = 227693697
BaseRepresentation
bin101011011000…
…010111000100
3210101202102011
4223120113010
510402400342
61043424004
7165442303
oct53302704
923352364
1011371972
116467a27
123985004
1324821a1
14172043a
15ee9717
hexad85c4

11371972 has 12 divisors (see below), whose sum is σ = 19932220. Its totient is φ = 5677056.

The previous prime is 11371967. The next prime is 11372017. The reversal of 11371972 is 27917311.

It can be written as a sum of positive squares in 2 ways, for example, as 2515396 + 8856576 = 1586^2 + 2976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228 + ... + 4924.

Almost surely, 211371972 is an apocalyptic number.

It is an amenable number.

11371972 is a deficient number, since it is larger than the sum of its proper divisors (8560248).

11371972 is a wasteful number, since it uses less digits than its factorization.

11371972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4468 counting only the distinct ones).

The product of its digits is 2646, while the sum is 31.

The square root of 11371972 is about 3372.2354603438. The cubic root of 11371972 is about 224.8771147907.

The spelling of 11371972 in words is "eleven million, three hundred seventy-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 769 1538 3076 3697 7394 14788 2842993 5685986 11371972