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1408994 = 217291429
BaseRepresentation
bin101010111111111100010
32122120202222
411113333202
5330041434
650111042
714655566
oct5277742
92576688
101408994
11882664
1257b482
133a4432
142896a6
151cc72e
hex157fe2

1408994 has 16 divisors (see below), whose sum is σ = 2316600. Its totient is φ = 639744.

The previous prime is 1408993. The next prime is 1408999. The reversal of 1408994 is 4998041.

It can be written as a sum of positive squares in 4 ways, for example, as 1092025 + 316969 = 1045^2 + 563^2 .

It is not an unprimeable number, because it can be changed into a prime (1408991) 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, 272 + ... + 1700.

21408994 is an apocalyptic number.

1408994 is a deficient number, since it is larger than the sum of its proper divisors (907606).

1408994 is a wasteful number, since it uses less digits than its factorization.

1408994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1408994 is about 1187.0105307031. The cubic root of 1408994 is about 112.1079422785.

The spelling of 1408994 in words is "one million, four hundred eight thousand, nine hundred ninety-four".

Divisors: 1 2 17 29 34 58 493 986 1429 2858 24293 41441 48586 82882 704497 1408994