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148739628 = 22312394969
BaseRepresentation
bin10001101110110…
…01011000101100
3101100212202102010
420313121120230
5301034132003
622432001220
73454160142
oct1067313054
9340782363
10148739628
1176a61314
1241990210
1324a7a31b
1415a7b592
15d0d1003
hex8dd962c

148739628 has 12 divisors (see below), whose sum is σ = 347059160. Its totient is φ = 49579872.

The previous prime is 148739621. The next prime is 148739639. The reversal of 148739628 is 826937841.

148739628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (148739621) 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, 6197473 + ... + 6197496.

Almost surely, 2148739628 is an apocalyptic number.

It is an amenable number.

148739628 is an abundant number, since it is smaller than the sum of its proper divisors (198319532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148739628 is a wasteful number, since it uses less digits than its factorization.

148739628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12394976 (or 12394974 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 148739628 is about 12195.8856996940. The cubic root of 148739628 is about 529.8369357141.

The spelling of 148739628 in words is "one hundred forty-eight million, seven hundred thirty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 12394969 24789938 37184907 49579876 74369814 148739628