Search a number
-
+
120557272 = 23111369969
BaseRepresentation
bin1110010111110…
…00111011011000
322101211221111011
413023320323120
5221330313042
615543543304
72662501633
oct713707330
9271757434
10120557272
1162062510
123445ab34
131bc90784
1412022c1a
15a8b5a17
hex72f8ed8

120557272 has 16 divisors (see below), whose sum is σ = 246594600. Its totient is φ = 54798720.

The previous prime is 120557197. The next prime is 120557273. The reversal of 120557272 is 272755021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120557273) 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, 684897 + ... + 685072.

Almost surely, 2120557272 is an apocalyptic number.

It is an amenable number.

120557272 is an abundant number, since it is smaller than the sum of its proper divisors (126037328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120557272 is a wasteful number, since it uses less digits than its factorization.

120557272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369986 (or 1369982 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 120557272 is about 10979.8575582746. The cubic root of 120557272 is about 494.0047642784.

The spelling of 120557272 in words is "one hundred twenty million, five hundred fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1369969 2739938 5479876 10959752 15069659 30139318 60278636 120557272