Search a number
-
+
120430312 = 2317885517
BaseRepresentation
bin1110010110110…
…01111011101000
322101121111022221
413023121323220
5221312232222
615541123424
72661432532
oct713317350
9271544287
10120430312
1161a86092
12343b9574
131bc47a52
1411dcc852
15a88d0c7
hex72d9ee8

120430312 has 16 divisors (see below), whose sum is σ = 239089860. Its totient is φ = 56673024.

The previous prime is 120430307. The next prime is 120430327. The reversal of 120430312 is 213034021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89226916 + 31203396 = 9446^2 + 5586^2 .

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, 442623 + ... + 442894.

Almost surely, 2120430312 is an apocalyptic number.

It is an amenable number.

120430312 is a deficient number, since it is larger than the sum of its proper divisors (118659548).

120430312 is a wasteful number, since it uses less digits than its factorization.

120430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885540 (or 885536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120430312 is about 10974.0745395682. The cubic root of 120430312 is about 493.8312896764.

Adding to 120430312 its reverse (213034021), we get a palindrome (333464333).

The spelling of 120430312 in words is "one hundred twenty million, four hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 885517 1771034 3542068 7084136 15053789 30107578 60215156 120430312