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1397283190 = 25139728319
BaseRepresentation
bin101001101001000…
…1101100101110110
310121101020100012021
41103102031211312
510330201030230
6350352343354
746424465632
oct12322154566
93541210167
101397283190
116578035a6
1232bb44b5a
13193639cb4
14d3805dc2
1582a09c7a
hex5348d976

1397283190 has 8 divisors (see below), whose sum is σ = 2515109760. Its totient is φ = 558913272.

The previous prime is 1397283103. The next prime is 1397283211. The reversal of 1397283190 is 913827931.

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

It is a super-2 number, since 2×13972831902 = 3904800626113152200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69864150 + ... + 69864169.

It is an arithmetic number, because the mean of its divisors is an integer number (314388720).

Almost surely, 21397283190 is an apocalyptic number.

1397283190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397283190 is a deficient number, since it is larger than the sum of its proper divisors (1117826570).

1397283190 is a wasteful number, since it uses less digits than its factorization.

1397283190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139728326.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1397283190 is about 37380.2513367687. The cubic root of 1397283190 is about 1117.9648388898.

The spelling of 1397283190 in words is "one billion, three hundred ninety-seven million, two hundred eighty-three thousand, one hundred ninety".

Divisors: 1 2 5 10 139728319 279456638 698641595 1397283190