Search a number
-
+
1400684884 = 221669209809
BaseRepresentation
bin101001101111100…
…1100000101010100
310121121122011102221
41103133030011110
510332033404014
6350553312124
746465424254
oct12337140524
93547564387
101400684884
11659717315
12331105644
1319425b431
14d404d964
1582e7cb24
hex537cc154

1400684884 has 12 divisors (see below), whose sum is σ = 2452678900. Its totient is φ = 699919488.

The previous prime is 1400684869. The next prime is 1400684897. The reversal of 1400684884 is 4884860041.

It can be written as a sum of positive squares in 2 ways, for example, as 959264784 + 441420100 = 30972^2 + 21010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1400684884.

It is a congruent number.

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, 98229 + ... + 111580.

Almost surely, 21400684884 is an apocalyptic number.

It is an amenable number.

1400684884 is a deficient number, since it is larger than the sum of its proper divisors (1051994016).

1400684884 is a wasteful number, since it uses less digits than its factorization.

1400684884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211482 (or 211480 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 1400684884 is about 37425.7248961192. The cubic root of 1400684884 is about 1118.8713342846.

The spelling of 1400684884 in words is "one billion, four hundred million, six hundred eighty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 1669 3338 6676 209809 419618 839236 350171221 700342442 1400684884