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148313911 = 229647659
BaseRepresentation
bin10001101011100…
…01011100110111
3101100002010102211
420311301130313
5300432021121
622414514251
73450435034
oct1065613467
9340063384
10148313911
11767a0489
1241805987
132495b615
14159aa38b
15d049ce1
hex8d71737

148313911 has 4 divisors (see below), whose sum is σ = 148961800. Its totient is φ = 147666024.

The previous prime is 148313897. The next prime is 148313927. The reversal of 148313911 is 119313841.

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 148313911 - 213 = 148305719 is a prime.

It is a super-2 number, since 2×1483139112 = 43994032392231842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148313611) 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, 323601 + ... + 324058.

It is an arithmetic number, because the mean of its divisors is an integer number (37240450).

Almost surely, 2148313911 is an apocalyptic number.

148313911 is a deficient number, since it is larger than the sum of its proper divisors (647889).

148313911 is an equidigital number, since it uses as much as digits as its factorization.

148313911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647888.

The product of its digits is 2592, while the sum is 31.

The square root of 148313911 is about 12178.4198892960. The cubic root of 148313911 is about 529.3309595246.

The spelling of 148313911 in words is "one hundred forty-eight million, three hundred thirteen thousand, nine hundred eleven".

Divisors: 1 229 647659 148313911