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30829356 = 2233285457
BaseRepresentation
bin111010110011…
…0101100101100
32011000021221000
41311212230230
530343014411
63020440300
7523021335
oct165465454
964007830
1030829356
1116447608
12a3a9090
13650562c
14414728c
152a8e956
hex1d66b2c

30829356 has 24 divisors (see below), whose sum is σ = 79928240. Its totient is φ = 10276416.

The previous prime is 30829319. The next prime is 30829367. The reversal of 30829356 is 65392803.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30829356.

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, 142621 + ... + 142836.

Almost surely, 230829356 is an apocalyptic number.

30829356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30829356 is an abundant number, since it is smaller than the sum of its proper divisors (49098884).

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

30829356 is a wasteful number, since it uses less digits than its factorization.

30829356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285470 (or 285462 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 30829356 is about 5552.4189323213. The cubic root of 30829356 is about 313.5605981620.

The spelling of 30829356 in words is "thirty million, eight hundred twenty-nine thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 285457 570914 856371 1141828 1712742 2569113 3425484 5138226 7707339 10276452 15414678 30829356