Search a number
-
+
120766431 = 379509563
BaseRepresentation
bin1110011001010…
…11111111011111
322102020120101210
413030223333133
5221404011211
615552235503
72664332502
oct714537737
9272216353
10120766431
1162195675
123453bb93
131c034a36
1412079139
15a9079a6
hex732bfdf

120766431 has 8 divisors (see below), whose sum is σ = 163060480. Its totient is φ = 79491672.

The previous prime is 120766423. The next prime is 120766433. The reversal of 120766431 is 134667021.

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

It is not a de Polignac number, because 120766431 - 23 = 120766423 is a prime.

It is a super-2 number, since 2×1207664312 = 29169061712955522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120766433) 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, 254545 + ... + 255018.

It is an arithmetic number, because the mean of its divisors is an integer number (20382560).

Almost surely, 2120766431 is an apocalyptic number.

120766431 is a deficient number, since it is larger than the sum of its proper divisors (42294049).

120766431 is an equidigital number, since it uses as much as digits as its factorization.

120766431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509645.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 120766431 is about 10989.3780988735. The cubic root of 120766431 is about 494.2902878971.

The spelling of 120766431 in words is "one hundred twenty million, seven hundred sixty-six thousand, four hundred thirty-one".

Divisors: 1 3 79 237 509563 1528689 40255477 120766431