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109390408 = 2391914879
BaseRepresentation
bin1101000010100…
…10101001001000
321121211121102121
412201102221020
5211000443113
614504341024
72465542321
oct641225110
9247747377
10109390408
11568256a6
1230774774
1319880a6a
1410757448
15990be8d
hex6852a48

109390408 has 16 divisors (see below), whose sum is σ = 205344000. Its totient is φ = 54632016.

The previous prime is 109390399. The next prime is 109390423. The reversal of 109390408 is 804093901.

It is a super-2 number, since 2×1093904082 = 23932522724812928, which contains 22 as substring.

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, 88 + ... + 14791.

It is an arithmetic number, because the mean of its divisors is an integer number (12834000).

Almost surely, 2109390408 is an apocalyptic number.

It is an amenable number.

109390408 is a deficient number, since it is larger than the sum of its proper divisors (95953592).

109390408 is a wasteful number, since it uses less digits than its factorization.

109390408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804 (or 15800 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 109390408 is about 10458.9869490310. The cubic root of 109390408 is about 478.2552513576.

The spelling of 109390408 in words is "one hundred nine million, three hundred ninety thousand, four hundred eight".

Divisors: 1 2 4 8 919 1838 3676 7352 14879 29758 59516 119032 13673801 27347602 54695204 109390408