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2157360474 = 23359560079
BaseRepresentation
bin1000000010010110…
…1011010101011010
312120100110021012210
42000211223111122
513404241013344
6554023415550
7104314155453
oct20045532532
95510407183
102157360474
11a07856945
125025b45b6
13284c52579
1416673c12a
15c95e7db9
hex8096b55a

2157360474 has 8 divisors (see below), whose sum is σ = 4314720960. Its totient is φ = 719120156.

The previous prime is 2157360473. The next prime is 2157360479. The reversal of 2157360474 is 4740637512.

It is a sphenic number, since it is the product of 3 distinct primes.

2157360474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2157360473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179780034 + ... + 179780045.

It is an arithmetic number, because the mean of its divisors is an integer number (539340120).

Almost surely, 22157360474 is an apocalyptic number.

2157360474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2157360474 is a wasteful number, since it uses less digits than its factorization.

2157360474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359560084.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 2157360474 is about 46447.3946955047. The cubic root of 2157360474 is about 1292.1340543584.

Adding to 2157360474 its reverse (4740637512), we get a palindrome (6897997986).

The spelling of 2157360474 in words is "two billion, one hundred fifty-seven million, three hundred sixty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 359560079 719120158 1078680237 2157360474