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30426752 = 271912511
BaseRepresentation
bin111010000010…
…0011010000000
32010020211122202
41310010122000
530242124002
63004052332
7516423506
oct164043200
963224582
1030426752
11161a2084
12a2340a8
1363c42c5
144080676
152a10502
hex1d04680

30426752 has 32 divisors (see below), whose sum is σ = 63811200. Its totient is φ = 14411520.

The previous prime is 30426749. The next prime is 30426763. The reversal of 30426752 is 25762403.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824 + ... + 8687.

It is an arithmetic number, because the mean of its divisors is an integer number (1994100).

Almost surely, 230426752 is an apocalyptic number.

30426752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30426752 is an abundant number, since it is smaller than the sum of its proper divisors (33384448).

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

30426752 is a wasteful number, since it uses less digits than its factorization.

30426752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544 (or 12532 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 30426752 is about 5516.0449599328. The cubic root of 30426752 is about 312.1896720911.

The spelling of 30426752 in words is "thirty million, four hundred twenty-six thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 12511 25022 50044 100088 200176 237709 400352 475418 800704 950836 1601408 1901672 3803344 7606688 15213376 30426752