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30214332 = 223219163271
BaseRepresentation
bin111001101000…
…0100010111100
32002212001021100
41303100202330
530213324312
62555333100
7514550301
oct163204274
962761240
1030214332
1116067525
12a151190
13634b705
1440270a8
1529bc5dc
hex1cd08bc

30214332 has 72 divisors (see below), whose sum is σ = 81186560. Its totient is φ = 9447840.

The previous prime is 30214319. The next prime is 30214361. The reversal of 30214332 is 23341203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111357 + ... + 111627.

Almost surely, 230214332 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 30214332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40593280).

30214332 is an abundant number, since it is smaller than the sum of its proper divisors (50972228).

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

30214332 is a wasteful number, since it uses less digits than its factorization.

30214332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30214332 is about 5496.7564981542. The cubic root of 30214332 is about 311.4614723899.

Adding to 30214332 its reverse (23341203), we get a palindrome (53555535).

The spelling of 30214332 in words is "thirty million, two hundred fourteen thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 163 171 228 271 326 342 489 542 652 684 813 978 1084 1467 1626 1956 2439 2934 3097 3252 4878 5149 5868 6194 9291 9756 10298 12388 15447 18582 20596 27873 30894 37164 44173 46341 55746 61788 88346 92682 111492 132519 176692 185364 265038 397557 530076 795114 839287 1590228 1678574 2517861 3357148 5035722 7553583 10071444 15107166 30214332