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1916464396 = 227116222287
BaseRepresentation
bin111001000111010…
…1110110100001100
311221120011110220211
41302032232310030
512411103330041
6514100252204
765330451520
oct16216566414
94846143824
101916464396
118a3881080
124559a1064
13247079902
14142751d80
15b33b1481
hex723aed0c

1916464396 has 24 divisors (see below), whose sum is σ = 4181377536. Its totient is φ = 746674320.

The previous prime is 1916464379. The next prime is 1916464399. The reversal of 1916464396 is 6934646191.

It is a happy number.

It is a super-2 number, since 2×19164643962 = 7345671562271289632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1916464399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110836 + ... + 3111451.

It is an arithmetic number, because the mean of its divisors is an integer number (174224064).

Almost surely, 21916464396 is an apocalyptic number.

It is an amenable number.

1916464396 is an abundant number, since it is smaller than the sum of its proper divisors (2264913140).

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

1916464396 is a wasteful number, since it uses less digits than its factorization.

1916464396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222309 (or 6222307 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 1916464396 is about 43777.4416337913. The cubic root of 1916464396 is about 1242.1296208553.

The spelling of 1916464396 in words is "one billion, nine hundred sixteen million, four hundred sixty-four thousand, three hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 6222287 12444574 24889148 43556009 68445157 87112018 136890314 174224036 273780628 479116099 958232198 1916464396