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30148356 = 2237358909
BaseRepresentation
bin111001100000…
…0011100000100
32002201200202210
41303000130010
530204221411
62554103420
7514154040
oct163003404
962650683
1030148356
11160219a7
12a11ab70
136327684
14400b020
1529a7ca6
hex1cc0704

30148356 has 24 divisors (see below), whose sum is σ = 80395840. Its totient is φ = 8613792.

The previous prime is 30148333. The next prime is 30148367. The reversal of 30148356 is 65384103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179371 + ... + 179538.

Almost surely, 230148356 is an apocalyptic number.

It is an amenable number.

30148356 is an abundant number, since it is smaller than the sum of its proper divisors (50247484).

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

30148356 is a wasteful number, since it uses less digits than its factorization.

30148356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358923 (or 358921 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30148356 is about 5490.7518610842. The cubic root of 30148356 is about 311.2346048094.

The spelling of 30148356 in words is "thirty million, one hundred forty-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 358909 717818 1076727 1435636 2153454 2512363 4306908 5024726 7537089 10049452 15074178 30148356