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2430138836 = 221937864203
BaseRepresentation
bin1001000011011000…
…1111100111010100
320021100201211210002
42100312033213110
514434103420321
61041050150432
7114135560606
oct22066174724
96240654702
102430138836
111037828304
12579a22418
132c960bb98
14190a67176
15e352b20b
hex90d8f9d4

2430138836 has 24 divisors (see below), whose sum is σ = 4597565280. Its totient is φ = 1120005792.

The previous prime is 2430138833. The next prime is 2430138883. The reversal of 2430138836 is 6388310342.

2430138836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 2430138836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430138833) 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, 429290 + ... + 434913.

It is an arithmetic number, because the mean of its divisors is an integer number (191565220).

Almost surely, 22430138836 is an apocalyptic number.

It is an amenable number.

2430138836 is a deficient number, since it is larger than the sum of its proper divisors (2167426444).

2430138836 is a wasteful number, since it uses less digits than its factorization.

2430138836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864263 (or 864261 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2430138836 is about 49296.4383703326. The cubic root of 2430138836 is about 1344.4470276075.

The spelling of 2430138836 in words is "two billion, four hundred thirty million, one hundred thirty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 4 19 37 38 74 76 148 703 1406 2812 864203 1728406 3456812 16419857 31975511 32839714 63951022 65679428 127902044 607534709 1215069418 2430138836