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372223940 = 225111691927
BaseRepresentation
bin10110001011111…
…010111111000100
3221221101221020212
4112023322333010
51230242131230
6100534014552
712136564664
oct2613727704
9857357225
10372223940
111811243a0
12a47a7458
135c16796a
14376141a4
1522a28895
hex162fafc4

372223940 has 24 divisors (see below), whose sum is σ = 852731712. Its totient is φ = 135354080.

The previous prime is 372223939. The next prime is 372223949. The reversal of 372223940 is 49322273.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 372223897 and 372223906.

It is not an unprimeable number, because it can be changed into a prime (372223949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845744 + ... + 846183.

It is an arithmetic number, because the mean of its divisors is an integer number (35530488).

Almost surely, 2372223940 is an apocalyptic number.

It is an amenable number.

372223940 is an abundant number, since it is smaller than the sum of its proper divisors (480507772).

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

372223940 is a wasteful number, since it uses less digits than its factorization.

372223940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691947 (or 1691945 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 372223940 is about 19293.1060226185. The cubic root of 372223940 is about 719.3409220791.

The spelling of 372223940 in words is "three hundred seventy-two million, two hundred twenty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1691927 3383854 6767708 8459635 16919270 18611197 33838540 37222394 74444788 93055985 186111970 372223940