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30212364 = 22371373379
BaseRepresentation
bin111001101000…
…0000100001100
32002211221120110
41303100010030
530213243424
62555320020
7514541460
oct163200414
962757513
1030212364
1116065aa6
12a150010
13634a850
1440264a0
1529bbc29
hex1cd010c

30212364 has 96 divisors (see below), whose sum is σ = 88184320. Its totient is φ = 7838208.

The previous prime is 30212353. The next prime is 30212381. The reversal of 30212364 is 46321203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30212364.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79527 + ... + 79905.

Almost surely, 230212364 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 30212364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44092160).

30212364 is an abundant number, since it is smaller than the sum of its proper divisors (57971956).

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

30212364 is a wasteful number, since it uses less digits than its factorization.

30212364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30212364 is about 5496.5774805783. The cubic root of 30212364 is about 311.4547099315.

Adding to 30212364 its reverse (46321203), we get a palindrome (76533567).

The spelling of 30212364 in words is "thirty million, two hundred twelve thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 73 78 84 91 146 156 182 219 273 292 364 379 438 511 546 758 876 949 1022 1092 1137 1516 1533 1898 2044 2274 2653 2847 3066 3796 4548 4927 5306 5694 6132 6643 7959 9854 10612 11388 13286 14781 15918 19708 19929 26572 27667 29562 31836 34489 39858 55334 59124 68978 79716 83001 103467 110668 137956 166002 193669 206934 332004 359671 387338 413868 581007 719342 774676 1079013 1162014 1438684 2158026 2324028 2517697 4316052 5035394 7553091 10070788 15106182 30212364