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1396888230 = 23546562941
BaseRepresentation
bin101001101000010…
…1101001010100110
310121100111021102010
41103100231022212
510330100410410
6350340055050
746421232303
oct12320551246
93540437363
101396888230
11657563891
1232b994486
1319352c2aa
14d37420aa
158297cc20
hex5342d2a6

1396888230 has 16 divisors (see below), whose sum is σ = 3352531824. Its totient is φ = 372503520.

The previous prime is 1396888223. The next prime is 1396888243. The reversal of 1396888230 is 328886931.

It is a super-2 number, since 2×13968882302 = 3902593454225065800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1396888230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23281441 + ... + 23281500.

It is an arithmetic number, because the mean of its divisors is an integer number (209533239).

Almost surely, 21396888230 is an apocalyptic number.

1396888230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396888230 is an abundant number, since it is smaller than the sum of its proper divisors (1955643594).

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

1396888230 is a wasteful number, since it uses less digits than its factorization.

1396888230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46562951.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1396888230 is about 37374.9679598525. The cubic root of 1396888230 is about 1117.8594932672.

The spelling of 1396888230 in words is "one billion, three hundred ninety-six million, eight hundred eighty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 46562941 93125882 139688823 232814705 279377646 465629410 698444115 1396888230