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115345442 = 21728112073
BaseRepresentation
bin1101110000000…
…00100000100010
322001001011012102
412320000200202
5214012023232
615240130402
72600264042
oct670004042
9261034172
10115345442
115a122813
1232766a02
131ab87454
1411467722
15a1d6662
hex6e00822

115345442 has 16 divisors (see below), whose sum is σ = 183862872. Its totient is φ = 54082560.

The previous prime is 115345411. The next prime is 115345453. The reversal of 115345442 is 244543511.

It can be written as a sum of positive squares in 4 ways, for example, as 91030681 + 24314761 = 9541^2 + 4931^2 .

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, 3518 + ... + 15590.

Almost surely, 2115345442 is an apocalyptic number.

115345442 is a deficient number, since it is larger than the sum of its proper divisors (68517430).

115345442 is a wasteful number, since it uses less digits than its factorization.

115345442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373.

The product of its digits is 9600, while the sum is 29.

The square root of 115345442 is about 10739.8995339808. The cubic root of 115345442 is about 486.7808438139.

Adding to 115345442 its reverse (244543511), we get a palindrome (359888953).

The spelling of 115345442 in words is "one hundred fifteen million, three hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 17 34 281 562 4777 9554 12073 24146 205241 410482 3392513 6785026 57672721 115345442