Search a number
-
+
147638070 = 23251640423
BaseRepresentation
bin10001100110011…
…00011100110110
3101021210210100200
420303030130312
5300243404240
622352221330
73441621456
oct1063143466
9337723320
10147638070
1176379738
124153a846
1324782b08
1415871d66
15ce64930
hex8ccc736

147638070 has 24 divisors (see below), whose sum is σ = 383859216. Its totient is φ = 39370128.

The previous prime is 147638059. The next prime is 147638077. The reversal of 147638070 is 70836741.

147638070 is a `hidden beast` number, since 14 + 7 + 638 + 0 + 7 + 0 = 666.

147638070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147638077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820122 + ... + 820301.

It is an arithmetic number, because the mean of its divisors is an integer number (15994134).

Almost surely, 2147638070 is an apocalyptic number.

147638070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147638070 is an abundant number, since it is smaller than the sum of its proper divisors (236221146).

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

147638070 is a wasteful number, since it uses less digits than its factorization.

147638070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640436 (or 1640433 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 147638070 is about 12150.6407238466. The cubic root of 147638070 is about 528.5257117579.

The spelling of 147638070 in words is "one hundred forty-seven million, six hundred thirty-eight thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1640423 3280846 4921269 8202115 9842538 14763807 16404230 24606345 29527614 49212690 73819035 147638070