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1404540049 = 11227914159
BaseRepresentation
bin101001110110111…
…1001010010010001
310121212220000201211
41103231321102101
510334030240144
6351212100121
746543251643
oct12355712221
93555800654
101404540049
1166090a800
12332464641
13194cab0b3
14d4774893
1583490034
hex53b79491

1404540049 has 12 divisors (see below), whose sum is σ = 1544757760. Its totient is φ = 1276090200.

The previous prime is 1404540023. The next prime is 1404540073. The reversal of 1404540049 is 9400454041.

It is not a de Polignac number, because 1404540049 - 215 = 1404507281 is a prime.

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 1404540049.

It is not an unprimeable number, because it can be changed into a prime (1404540019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335632 + ... + 339790.

Almost surely, 21404540049 is an apocalyptic number.

It is an amenable number.

1404540049 is a deficient number, since it is larger than the sum of its proper divisors (140217711).

1404540049 is a wasteful number, since it uses less digits than its factorization.

1404540049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6961 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1404540049 is about 37477.1937183135. The cubic root of 1404540049 is about 1119.8968997889.

The spelling of 1404540049 in words is "one billion, four hundred four million, five hundred forty thousand, forty-nine".

Divisors: 1 11 121 2791 4159 30701 45749 337711 503239 11607769 127685459 1404540049