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120339997 = 439274123
BaseRepresentation
bin1110010110000…
…11111000011101
322101102220102221
413023003320131
5221301334442
615535145341
72660605321
oct713037035
9271386387
10120339997
1161a24248
1234375251
131bc158cb
1411da7981
15a871467
hex72c3e1d

120339997 has 4 divisors (see below), whose sum is σ = 120614560. Its totient is φ = 120065436.

The previous prime is 120339983. The next prime is 120340027. The reversal of 120339997 is 799933021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120339997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120339917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136623 + ... + 137500.

It is an arithmetic number, because the mean of its divisors is an integer number (30153640).

Almost surely, 2120339997 is an apocalyptic number.

It is an amenable number.

120339997 is a deficient number, since it is larger than the sum of its proper divisors (274563).

120339997 is an equidigital number, since it uses as much as digits as its factorization.

120339997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274562.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 120339997 is about 10969.9588422200. The cubic root of 120339997 is about 493.7078115531.

The spelling of 120339997 in words is "one hundred twenty million, three hundred thirty-nine thousand, nine hundred ninety-seven".

Divisors: 1 439 274123 120339997