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1372030660 = 22571113193607
BaseRepresentation
bin101000111000111…
…1000011011000100
310112121201101020101
41101301320123010
510302214440120
6344051213444
746000032250
oct12161703304
93477641211
101372030660
11644525a40
123235a7284
1318b337b80
14d0311260
15806bc90a
hex51c786c4

1372030660 has 192 divisors, whose sum is σ = 4073287680. Its totient is φ = 373870080.

The previous prime is 1372030651. The next prime is 1372030711. The reversal of 1372030660 is 660302731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 378577 + ... + 382183.

It is an arithmetic number, because the mean of its divisors is an integer number (21215040).

Almost surely, 21372030660 is an apocalyptic number.

1372030660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372030660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2036643840).

1372030660 is an abundant number, since it is smaller than the sum of its proper divisors (2701257020).

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

1372030660 is a wasteful number, since it uses less digits than its factorization.

1372030660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1372030660 is about 37040.9322236901. The cubic root of 1372030660 is about 1111.1890134787.

The spelling of 1372030660 in words is "one billion, three hundred seventy-two million, thirty thousand, six hundred sixty".