Search a number
-
+
120188434 = 21031933023
BaseRepresentation
bin1110010100111…
…10111000010010
322101011012112111
413022132320102
5221232012214
615532015534
72656404412
oct712367022
9271135474
10120188434
1161930393
12343015aa
131bb91922
1411d68642
15a8415c4
hex729ee12

120188434 has 16 divisors (see below), whose sum is σ = 183036672. Its totient is φ = 59182848.

The previous prime is 120188429. The next prime is 120188443. The reversal of 120188434 is 434881021.

It is a junction number, because it is equal to n+sod(n) for n = 120188396 and 120188405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38247 + ... + 41269.

It is an arithmetic number, because the mean of its divisors is an integer number (11439792).

Almost surely, 2120188434 is an apocalyptic number.

120188434 is a deficient number, since it is larger than the sum of its proper divisors (62848238).

120188434 is a wasteful number, since it uses less digits than its factorization.

120188434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 120188434 is about 10963.0485723634. The cubic root of 120188434 is about 493.5004566281.

The spelling of 120188434 in words is "one hundred twenty million, one hundred eighty-eight thousand, four hundred thirty-four".

Divisors: 1 2 103 193 206 386 3023 6046 19879 39758 311369 583439 622738 1166878 60094217 120188434