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1381942176 = 25314395231
BaseRepresentation
bin101001001011110…
…1100001110100000
310120022100221021120
41102113230032200
510312234122201
6345043452240
746150212636
oct12227541640
93508327246
101381942176
1164a08567a
12326987080
131903c8384
14d1771356
15814c9536
hex525ec3a0

1381942176 has 24 divisors (see below), whose sum is σ = 3627598464. Its totient is φ = 460647360.

The previous prime is 1381942169. The next prime is 1381942241. The reversal of 1381942176 is 6712491831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13819421762 = 3819528355615229952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7197520 + ... + 7197711.

It is an arithmetic number, because the mean of its divisors is an integer number (151149936).

Almost surely, 21381942176 is an apocalyptic number.

1381942176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1381942176 is an abundant number, since it is smaller than the sum of its proper divisors (2245656288).

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

1381942176 is a wasteful number, since it uses less digits than its factorization.

1381942176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395244 (or 14395236 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1381942176 is about 37174.4828612316. The cubic root of 1381942176 is about 1113.8583301713.

The spelling of 1381942176 in words is "one billion, three hundred eighty-one million, nine hundred forty-two thousand, one hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 14395231 28790462 43185693 57580924 86371386 115161848 172742772 230323696 345485544 460647392 690971088 1381942176