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2348931138 = 233471128209
BaseRepresentation
bin1000110000000001…
…1101100001000010
320001200221001202120
42030000131201002
514302311244023
61025025425110
7112131404511
oct21400354102
96050831676
102348931138
11aa5a01804
1255679b196
132b5847ba8
14183d68678
15db3398e3
hex8c01d842

2348931138 has 16 divisors (see below), whose sum is σ = 4711404960. Its totient is φ = 780719936.

The previous prime is 2348931131. The next prime is 2348931161. The reversal of 2348931138 is 8311398432.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2348931138.

It is not an unprimeable number, because it can be changed into a prime (2348931131) 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, 562023 + ... + 566186.

It is an arithmetic number, because the mean of its divisors is an integer number (294462810).

Almost surely, 22348931138 is an apocalyptic number.

2348931138 is an abundant number, since it is smaller than the sum of its proper divisors (2362473822).

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

2348931138 is a wasteful number, since it uses less digits than its factorization.

2348931138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128561.

The product of its digits is 124416, while the sum is 42.

The square root of 2348931138 is about 48465.7728505386. The cubic root of 2348931138 is about 1329.3012965642.

The spelling of 2348931138 in words is "two billion, three hundred forty-eight million, nine hundred thirty-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 347 694 1041 2082 1128209 2256418 3384627 6769254 391488523 782977046 1174465569 2348931138