Search a number
-
+
30057952 = 258311317
BaseRepresentation
bin111001010101…
…0010111100000
32002120002202111
41302222113200
530143323302
62552125104
7513326341
oct162522740
962502674
1030057952
1115a6aa91
12a096794
1362c5492
143dc60c8
15298b0d7
hex1caa5e0

30057952 has 24 divisors (see below), whose sum is σ = 59894856. Its totient is φ = 14846592.

The previous prime is 30057931. The next prime is 30057953. The reversal of 30057952 is 25975003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30057953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003 + ... + 8314.

It is an arithmetic number, because the mean of its divisors is an integer number (2495619).

Almost surely, 230057952 is an apocalyptic number.

30057952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30057952 is a deficient number, since it is larger than the sum of its proper divisors (29836904).

30057952 is a wasteful number, since it uses less digits than its factorization.

30057952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11410 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 30057952 is about 5482.5132922775. The cubic root of 30057952 is about 310.9232000545.

The spelling of 30057952 in words is "thirty million, fifty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 83 166 332 664 1328 2656 11317 22634 45268 90536 181072 362144 939311 1878622 3757244 7514488 15028976 30057952