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1400912168 = 23175114021
BaseRepresentation
bin101001110000000…
…0011100100101000
310121122001201012212
41103200003210220
510332113142133
6351002224252
746500362015
oct12340034450
93548051185
101400912168
11659862057
123311b5088
1319430aa16
14d40ac70c
1582ec5148
hex53803928

1400912168 has 8 divisors (see below), whose sum is σ = 2626710330. Its totient is φ = 700456080.

The previous prime is 1400912143. The next prime is 1400912173. The reversal of 1400912168 is 8612190041.

It can be written as a sum of positive squares in only one way, i.e., 1282929124 + 117983044 = 35818^2 + 10862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87557003 + ... + 87557018.

Almost surely, 21400912168 is an apocalyptic number.

It is an amenable number.

1400912168 is a deficient number, since it is larger than the sum of its proper divisors (1225798162).

1400912168 is a wasteful number, since it uses less digits than its factorization.

1400912168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175114027 (or 175114023 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1400912168 is about 37428.7612405220. The cubic root of 1400912168 is about 1118.9318493944.

The spelling of 1400912168 in words is "one billion, four hundred million, nine hundred twelve thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 175114021 350228042 700456084 1400912168