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147492030 = 23572293067
BaseRepresentation
bin10001100101010…
…00110010111110
3101021112101000210
420302220302332
5300224221110
622345133250
73440442630
oct1062506276
9337471023
10147492030
1176289a44
124148a226
13247314ba
1415834a50
15ce36520
hex8ca8cbe

147492030 has 64 divisors (see below), whose sum is σ = 406448640. Its totient is φ = 33554304.

The previous prime is 147492001. The next prime is 147492049. The reversal of 147492030 is 30294741.

It is a happy number.

147492030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46557 + ... + 49623.

It is an arithmetic number, because the mean of its divisors is an integer number (6350760).

Almost surely, 2147492030 is an apocalyptic number.

147492030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147492030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203224320).

147492030 is an abundant number, since it is smaller than the sum of its proper divisors (258956610).

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

147492030 is a wasteful number, since it uses less digits than its factorization.

147492030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 147492030 is about 12144.6296773512. The cubic root of 147492030 is about 528.3513859915.

The spelling of 147492030 in words is "one hundred forty-seven million, four hundred ninety-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 229 458 687 1145 1374 1603 2290 3067 3206 3435 4809 6134 6870 8015 9201 9618 15335 16030 18402 21469 24045 30670 42938 46005 48090 64407 92010 107345 128814 214690 322035 644070 702343 1404686 2107029 3511715 4214058 4916401 7023430 9832802 10535145 14749203 21070290 24582005 29498406 49164010 73746015 147492030