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1379668950 = 23752113137
BaseRepresentation
bin101001000111100…
…0001001111010110
310120011002110000000
41102033001033112
510311143401300
6344523032130
746121664312
oct12217011726
93504073000
101379668950
11648872780
1232606b646
1318cab077a
14d133cb42
15811cac00
hex523c13d6

1379668950 has 384 divisors, whose sum is σ = 4451143680. Its totient is φ = 314928000.

The previous prime is 1379668943. The next prime is 1379668993. The reversal of 1379668950 is 598669731.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37288332 + ... + 37288368.

It is an arithmetic number, because the mean of its divisors is an integer number (11591520).

Almost surely, 21379668950 is an apocalyptic number.

1379668950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379668950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225571840).

1379668950 is an abundant number, since it is smaller than the sum of its proper divisors (3071474730).

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

1379668950 is a wasteful number, since it uses less digits than its factorization.

1379668950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 1379668950 is about 37143.8951915385. The cubic root of 1379668950 is about 1113.2472478369.

The spelling of 1379668950 in words is "one billion, three hundred seventy-nine million, six hundred sixty-eight thousand, nine hundred fifty".