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19137372 = 2235213061
BaseRepresentation
bin100100100000…
…0001101011100
31100000021112120
41021000031130
514344343442
61522102540
7321444042
oct111001534
940007476
1019137372
11a891211
1264aaa50
133c708b7
142782392
151a304ec
hex124035c

19137372 has 24 divisors (see below), whose sum is σ = 44754192. Its totient is φ = 6364800.

The previous prime is 19137353. The next prime is 19137373. The reversal of 19137372 is 27373191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19137373) 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, 4722 + ... + 7782.

It is an arithmetic number, because the mean of its divisors is an integer number (1864758).

Almost surely, 219137372 is an apocalyptic number.

19137372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19137372 is an abundant number, since it is smaller than the sum of its proper divisors (25616820).

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

19137372 is a wasteful number, since it uses less digits than its factorization.

19137372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589 (or 3587 counting only the distinct ones).

The product of its digits is 7938, while the sum is 33.

The square root of 19137372 is about 4374.6282127742. The cubic root of 19137372 is about 267.4817153484.

The spelling of 19137372 in words is "nineteen million, one hundred thirty-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 521 1042 1563 2084 3061 3126 6122 6252 9183 12244 18366 36732 1594781 3189562 4784343 6379124 9568686 19137372