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120642797 = 1123476849
BaseRepresentation
bin1110011000011…
…01110011101101
322102000021210202
413030031303231
5221341032142
615545443245
72663306162
oct714156355
9272007722
10120642797
11621107a0
12344a0525
131bcc0692
1412046069
15a8d1032
hex730dced

120642797 has 8 divisors (see below), whose sum is σ = 137332800. Its totient is φ = 104906560.

The previous prime is 120642763. The next prime is 120642803. The reversal of 120642797 is 797246021.

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

It is not a de Polignac number, because 120642797 - 26 = 120642733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120642797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120642707) 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, 238172 + ... + 238677.

It is an arithmetic number, because the mean of its divisors is an integer number (17166600).

Almost surely, 2120642797 is an apocalyptic number.

It is an amenable number.

120642797 is a deficient number, since it is larger than the sum of its proper divisors (16690003).

120642797 is a wasteful number, since it uses less digits than its factorization.

120642797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476883.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 120642797 is about 10983.7514993740. The cubic root of 120642797 is about 494.1215546079.

The spelling of 120642797 in words is "one hundred twenty million, six hundred forty-two thousand, seven hundred ninety-seven".

Divisors: 1 11 23 253 476849 5245339 10967527 120642797