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2090371408 = 24177685189
BaseRepresentation
bin111110010011000…
…1000100101010000
312101200101212111021
41330212020211100
513240113341113
6543231525224
7102541602166
oct17446104520
95350355437
102090371408
11982a61a84
124a4089814
132740c9378
1415b8a1236
15c37b448d
hex7c988950

2090371408 has 20 divisors (see below), whose sum is σ = 4288336020. Its totient is φ = 983704064.

The previous prime is 2090371397. The next prime is 2090371411. The reversal of 2090371408 is 8041730902.

It can be written as a sum of positive squares in 2 ways, for example, as 1900262464 + 190108944 = 43592^2 + 13788^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842323 + ... + 3842866.

It is an arithmetic number, because the mean of its divisors is an integer number (214416801).

Almost surely, 22090371408 is an apocalyptic number.

It is an amenable number.

2090371408 is an abundant number, since it is smaller than the sum of its proper divisors (2197964612).

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

2090371408 is a wasteful number, since it uses less digits than its factorization.

2090371408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685214 (or 7685208 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2090371408 is about 45720.5796988621. The cubic root of 2090371408 is about 1278.6189955828.

The spelling of 2090371408 in words is "two billion, ninety million, three hundred seventy-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 7685189 15370378 30740756 61481512 122963024 130648213 261296426 522592852 1045185704 2090371408