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1049181396 = 22387431783
BaseRepresentation
bin111110100010010…
…011110011010100
32201010012221022020
4332202103303110
54122042301041
6252035333140
734666615614
oct7642236324
92633187266
101049181396
1149926556a
122534511b0
13139499ac3
149d4b0a44
1562198866
hex3e893cd4

1049181396 has 12 divisors (see below), whose sum is σ = 2448089952. Its totient is φ = 349727128.

The previous prime is 1049181377. The next prime is 1049181421. The reversal of 1049181396 is 6931819401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10491813962 = 2201563203425017632, which contains 22 as substring.

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, 43715880 + ... + 43715903.

It is an arithmetic number, because the mean of its divisors is an integer number (204007496).

Almost surely, 21049181396 is an apocalyptic number.

It is an amenable number.

1049181396 is an abundant number, since it is smaller than the sum of its proper divisors (1398908556).

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

1049181396 is a wasteful number, since it uses less digits than its factorization.

1049181396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87431790 (or 87431788 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1049181396 is about 32391.0696952107. The cubic root of 1049181396 is about 1016.1321528659.

The spelling of 1049181396 in words is "one billion, forty-nine million, one hundred eighty-one thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 87431783 174863566 262295349 349727132 524590698 1049181396