Search a number
-
+
150656031 = 346130491
BaseRepresentation
bin10001111101011…
…01010000011111
3101111111010020000
420332231100133
5302031443111
622541025343
73506361261
oct1076552037
9344433200
10150656031
1178050119
1242555253
132529b6a6
1416019b31
15d35dc56
hex8fad41f

150656031 has 20 divisors (see below), whose sum is σ = 228750984. Its totient is φ = 98787600.

The previous prime is 150656027. The next prime is 150656053. The reversal of 150656031 is 130656051.

It is a happy number.

150656031 is a `hidden beast` number, since 1 + 5 + 0 + 656 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 150656031 - 22 = 150656027 is a prime.

It is a super-3 number, since 3×1506560313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 150655986 and 150656004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150656021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10305 + ... + 20186.

Almost surely, 2150656031 is an apocalyptic number.

150656031 is a deficient number, since it is larger than the sum of its proper divisors (78094953).

150656031 is an equidigital number, since it uses as much as digits as its factorization.

150656031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564 (or 30555 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 150656031 is about 12274.2018477781. The cubic root of 150656031 is about 532.1027547104.

The spelling of 150656031 in words is "one hundred fifty million, six hundred fifty-six thousand, thirty-one".

Divisors: 1 3 9 27 61 81 183 549 1647 4941 30491 91473 274419 823257 1859951 2469771 5579853 16739559 50218677 150656031