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30423552 = 29329683
BaseRepresentation
bin111010000001…
…1101000000000
32010020200021020
41310003220000
530242023202
63004025440
7516411255
oct164035000
963220236
1030423552
111619a735
12a232280
1363c2a03
14407d42c
152a0e5bc
hex1d03a00

30423552 has 80 divisors (see below), whose sum is σ = 83967840. Its totient is φ = 9777152.

The previous prime is 30423539. The next prime is 30423563. The reversal of 30423552 is 25532403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44203 + ... + 44885.

It is an arithmetic number, because the mean of its divisors is an integer number (1049598).

Almost surely, 230423552 is an apocalyptic number.

30423552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41983920).

30423552 is an abundant number, since it is smaller than the sum of its proper divisors (53544288).

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

30423552 is an equidigital number, since it uses as much as digits as its factorization.

30423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 30423552 is about 5515.7548894054. The cubic root of 30423552 is about 312.1787273149.

Adding to 30423552 its reverse (25532403), we get a palindrome (55955955).

The spelling of 30423552 in words is "thirty million, four hundred twenty-three thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 128 174 192 232 256 348 384 464 512 683 696 768 928 1366 1392 1536 1856 2049 2732 2784 3712 4098 5464 5568 7424 8196 10928 11136 14848 16392 19807 21856 22272 32784 39614 43712 44544 59421 65568 79228 87424 118842 131136 158456 174848 237684 262272 316912 349696 475368 524544 633824 950736 1049088 1267648 1901472 2535296 3802944 5070592 7605888 10141184 15211776 30423552