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1400023461 = 35310198641
BaseRepresentation
bin101001101110010…
…1010100110100101
310121120101120010210
41103130222212211
510331401222321
6350531210033
746460001024
oct12334524645
93546346123
101400023461
11659305391
12330a46919
13194089365
14d3d1a8bb
1582d9bb76
hex5372a9a5

1400023461 has 16 divisors (see below), whose sum is σ = 1904005440. Its totient is φ = 914734080.

The previous prime is 1400023453. The next prime is 1400023477. The reversal of 1400023461 is 1643200041.

It is not a de Polignac number, because 1400023461 - 23 = 1400023453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400023061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157701 + ... + 166341.

It is an arithmetic number, because the mean of its divisors is an integer number (119000340).

Almost surely, 21400023461 is an apocalyptic number.

It is an amenable number.

1400023461 is a deficient number, since it is larger than the sum of its proper divisors (503981979).

1400023461 is a wasteful number, since it uses less digits than its factorization.

1400023461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1400023461 is about 37416.8873772258. The cubic root of 1400023461 is about 1118.6951909897.

The spelling of 1400023461 in words is "one billion, four hundred million, twenty-three thousand, four hundred sixty-one".

Divisors: 1 3 53 159 1019 3057 8641 25923 54007 162021 457973 1373919 8805179 26415537 466674487 1400023461