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1370831904 = 253313312127
BaseRepresentation
bin101000110110101…
…0011110000100000
310112112110110212000
41101231103300200
510301413110104
6344005404000
745653610321
oct12155236040
93475413760
101370831904
11643887332
12323109600
1318b008350
14d00bc448
1580532639
hex51b53c20

1370831904 has 288 divisors, whose sum is σ = 4484229120. Its totient is φ = 404974080.

The previous prime is 1370831881. The next prime is 1370831911. The reversal of 1370831904 is 4091380731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10793889 + ... + 10794015.

It is an arithmetic number, because the mean of its divisors is an integer number (15570240).

Almost surely, 21370831904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1370831904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242114560).

1370831904 is an abundant number, since it is smaller than the sum of its proper divisors (3113397216).

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

1370831904 is a wasteful number, since it uses less digits than its factorization.

1370831904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1370831904 is about 37024.7471834718. The cubic root of 1370831904 is about 1110.8653004442.

The spelling of 1370831904 in words is "one billion, three hundred seventy million, eight hundred thirty-one thousand, nine hundred four".