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30295564 = 22131743797
BaseRepresentation
bin111001110010…
…0011000001100
32010000011200221
41303210120030
530223424224
63001201124
7515336155
oct163443014
963004627
1030295564
1116112562
12a1901a4
136379690
14404892c
1529d66e4
hex1ce460c

30295564 has 48 divisors (see below), whose sum is σ = 61937568. Its totient is φ = 12837888.

The previous prime is 30295553. The next prime is 30295567. The reversal of 30295564 is 46559203.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30295567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37614 + ... + 38410.

It is an arithmetic number, because the mean of its divisors is an integer number (1290366).

Almost surely, 230295564 is an apocalyptic number.

30295564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30295564 is an abundant number, since it is smaller than the sum of its proper divisors (31642004).

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

30295564 is a wasteful number, since it uses less digits than its factorization.

30295564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 30295564 is about 5504.1406232036. The cubic root of 30295564 is about 311.7403466487.

The spelling of 30295564 in words is "thirty million, two hundred ninety-five thousand, five hundred sixty-four".

Divisors: 1 2 4 13 17 26 34 43 52 68 86 172 221 442 559 731 797 884 1118 1462 1594 2236 2924 3188 9503 10361 13549 19006 20722 27098 34271 38012 41444 54196 68542 137084 176137 352274 445523 582607 704548 891046 1165214 1782092 2330428 7573891 15147782 30295564