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1400554413 = 32155617157
BaseRepresentation
bin101001101111010…
…1100001110101101
310121121101112110200
41103132230032231
510332020220123
6350550424113
746464342006
oct12336541655
93547345420
101400554413
11659638295
12331062039
13194213c2b
14d40181ad
1582e54143
hex537ac3ad

1400554413 has 6 divisors (see below), whose sum is σ = 2023023054. Its totient is φ = 933702936.

The previous prime is 1400554343. The next prime is 1400554417. The reversal of 1400554413 is 3144550041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 865418724 + 535135689 = 29418^2 + 23133^2 .

It is not a de Polignac number, because 1400554413 - 217 = 1400423341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400554417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77808570 + ... + 77808587.

It is an arithmetic number, because the mean of its divisors is an integer number (337170509).

Almost surely, 21400554413 is an apocalyptic number.

It is an amenable number.

1400554413 is a deficient number, since it is larger than the sum of its proper divisors (622468641).

1400554413 is a wasteful number, since it uses less digits than its factorization.

1400554413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155617163 (or 155617160 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1400554413 is about 37423.9817897562. The cubic root of 1400554413 is about 1118.8365929957.

The spelling of 1400554413 in words is "one billion, four hundred million, five hundred fifty-four thousand, four hundred thirteen".

Divisors: 1 3 9 155617157 466851471 1400554413