Search a number
-
+
148379131 = 160792333
BaseRepresentation
bin10001101100000…
…01010111111011
3101100012102220101
420312001113323
5300441113011
622420140231
73451126135
oct1066012773
9340172811
10148379131
117683548a
1241837677
1324982204
14159c6055
15d05e2c1
hex8d815fb

148379131 has 4 divisors (see below), whose sum is σ = 148473072. Its totient is φ = 148285192.

The previous prime is 148379059. The next prime is 148379173. The reversal of 148379131 is 131973841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148379131 - 217 = 148248059 is a prime.

It is a super-2 number, since 2×1483791312 = 44032733032630322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148374131) 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, 44560 + ... + 47773.

It is an arithmetic number, because the mean of its divisors is an integer number (37118268).

Almost surely, 2148379131 is an apocalyptic number.

148379131 is a deficient number, since it is larger than the sum of its proper divisors (93941).

148379131 is an equidigital number, since it uses as much as digits as its factorization.

148379131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93940.

The product of its digits is 18144, while the sum is 37.

The square root of 148379131 is about 12181.0972822648. The cubic root of 148379131 is about 529.4085380106.

The spelling of 148379131 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, one hundred thirty-one".

Divisors: 1 1607 92333 148379131