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30499152 = 2431135623
BaseRepresentation
bin111010001011…
…0000101010000
32010101111222020
41310112011100
530301433102
63005411440
7520144545
oct164260520
963344866
1030499152
1116241512
12a269b80
13641b248
14409cbcc
152a26bbc
hex1d16150

30499152 has 40 divisors (see below), whose sum is σ = 79500864. Its totient is φ = 10074624.

The previous prime is 30499141. The next prime is 30499229. The reversal of 30499152 is 25199403.

It is a congruent number.

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, 2613 + ... + 8235.

Almost surely, 230499152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30499152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39750432).

30499152 is an abundant number, since it is smaller than the sum of its proper divisors (49001712).

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

30499152 is a wasteful number, since it uses less digits than its factorization.

30499152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 30499152 is about 5522.6037337473. The cubic root of 30499152 is about 312.4370928308.

The spelling of 30499152 in words is "thirty million, four hundred ninety-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 113 226 339 452 678 904 1356 1808 2712 5424 5623 11246 16869 22492 33738 44984 67476 89968 134952 269904 635399 1270798 1906197 2541596 3812394 5083192 7624788 10166384 15249576 30499152