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1478094916 = 224724092
BaseRepresentation
bin101100000011001…
…1111000001000100
310211000022000001011
41120012133001010
511011343014131
6402400412004
751425412424
oct13006370104
93730260034
101478094916
11699389651
12353017004
131a72c299c
14100440484
1589b6e0b1
hex5819f044

1478094916 has 27 divisors (see below), whose sum is σ = 2649350109. Its totient is φ = 721554528.

The previous prime is 1478094913. The next prime is 1478094967. The reversal of 1478094916 is 6194908741.

The square root of 1478094916 is 38446.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1350856516 + 127238400 = 36754^2 + 11280^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478094916.

It is not an unprimeable number, because it can be changed into a prime (1478094913) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3613720 + ... + 3614128.

Almost surely, 21478094916 is an apocalyptic number.

1478094916 is the 38446-th square number.

It is an amenable number.

1478094916 is a deficient number, since it is larger than the sum of its proper divisors (1171255193).

1478094916 is an frugal number, since it uses more digits than its factorization.

1478094916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The cubic root of 1478094916 is about 1139.1146598967.

Multiplying 1478094916 by its sum of digits (49), we get a square (72426650884 = 2691222).

The spelling of 1478094916 in words is "one billion, four hundred seventy-eight million, ninety-four thousand, nine hundred sixteen".

Divisors: 1 2 4 47 94 188 409 818 1636 2209 4418 8836 19223 38446 76892 167281 334562 669124 903481 1806962 3613924 7862207 15724414 31448828 369523729 739047458 1478094916