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1374373980 = 22355771569
BaseRepresentation
bin101000111101011…
…0100100001011100
310112210010102200000
41101322310201130
510303314431410
6344213334300
746025662140
oct12172644134
93483112600
101374373980
11645886571
12324337390
1318b978655
14d0761220
15809d1dc0
hex51eb485c

1374373980 has 288 divisors, whose sum is σ = 5019356160. Its totient is φ = 309173760.

The previous prime is 1374373951. The next prime is 1374374017. The reversal of 1374373980 is 893734731.

1374373980 is a `hidden beast` number, since 137 + 437 + 3 + 9 + 80 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2415136 + ... + 2415704.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 21374373980 is an apocalyptic number.

1374373980 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 1374373980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509678080).

1374373980 is an abundant number, since it is smaller than the sum of its proper divisors (3644982180).

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

1374373980 is a wasteful number, since it uses less digits than its factorization.

1374373980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1374373980 is about 37072.5502225029. The cubic root of 1374373980 is about 1111.8212613620.

The spelling of 1374373980 in words is "one billion, three hundred seventy-four million, three hundred seventy-three thousand, nine hundred eighty".