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148972492 = 2261610543
BaseRepresentation
bin10001110000100…
…10001111001100
3101101022120211201
420320102033030
5301114104432
622440555244
73456150064
oct1070221714
9341276751
10148972492
1177100269
1241a82b24
1324b2c306
1415adc3a4
15d129ee7
hex8e123cc

148972492 has 12 divisors (see below), whose sum is σ = 264976096. Its totient is φ = 73265040.

The previous prime is 148972489. The next prime is 148972493. The reversal of 148972492 is 294279841.

It is not an unprimeable number, because it can be changed into a prime (148972493) 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, 305028 + ... + 305515.

Almost surely, 2148972492 is an apocalyptic number.

It is an amenable number.

148972492 is a deficient number, since it is larger than the sum of its proper divisors (116003604).

148972492 is a wasteful number, since it uses less digits than its factorization.

148972492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610608 (or 610606 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 148972492 is about 12205.4287921400. The cubic root of 148972492 is about 530.1132925010.

The spelling of 148972492 in words is "one hundred forty-eight million, nine hundred seventy-two thousand, four hundred ninety-two".

Divisors: 1 2 4 61 122 244 610543 1221086 2442172 37243123 74486246 148972492