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1339274238 = 23349639577
BaseRepresentation
bin100111111010011…
…1011001111111110
310110100002011212120
41033310323033332
510220323233423
6340521143410
745121433421
oct11764731776
93410064776
101339274238
11627a92615
1231462ab66
13184609383
14c9c259b8
157c89bee3
hex4fd3b3fe

1339274238 has 16 divisors (see below), whose sum is σ = 2686227600. Its totient is φ = 445144896.

The previous prime is 1339274227. The next prime is 1339274239. The reversal of 1339274238 is 8324729331.

It is a self number, because there is not a number n which added to its sum of digits gives 1339274238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339274239) 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, 317695 + ... + 321882.

It is an arithmetic number, because the mean of its divisors is an integer number (167889225).

Almost surely, 21339274238 is an apocalyptic number.

1339274238 is an abundant number, since it is smaller than the sum of its proper divisors (1346953362).

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

1339274238 is a wasteful number, since it uses less digits than its factorization.

1339274238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639931.

The product of its digits is 217728, while the sum is 42.

The square root of 1339274238 is about 36596.0959393212. The cubic root of 1339274238 is about 1102.2746973037.

The spelling of 1339274238 in words is "one billion, three hundred thirty-nine million, two hundred seventy-four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 349 698 1047 2094 639577 1279154 1918731 3837462 223212373 446424746 669637119 1339274238