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30423104 = 2619127197
BaseRepresentation
bin111010000001…
…1100001000000
32010020122122122
41310003201000
530242014404
63004023412
7516410045
oct164034100
963218578
1030423104
111619a368
12a231b68
1363c274a
14407d1cc
152a0e3be
hex1d03840

30423104 has 56 divisors (see below), whose sum is σ = 64373760. Its totient is φ = 14224896.

The previous prime is 30423097. The next prime is 30423109. The reversal of 30423104 is 40132403.

It is not an unprimeable number, because it can be changed into a prime (30423109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154334 + ... + 154530.

Almost surely, 230423104 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 30423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32186880).

30423104 is an abundant number, since it is smaller than the sum of its proper divisors (33950656).

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

30423104 is a wasteful number, since it uses less digits than its factorization.

30423104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30423104 is about 5515.7142783143. The cubic root of 30423104 is about 312.1771949850.

Adding to 30423104 its reverse (40132403), we get a palindrome (70555507).

The spelling of 30423104 in words is "thirty million, four hundred twenty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 19 32 38 64 76 127 152 197 254 304 394 508 608 788 1016 1216 1576 2032 2413 3152 3743 4064 4826 6304 7486 8128 9652 12608 14972 19304 25019 29944 38608 50038 59888 77216 100076 119776 154432 200152 239552 400304 475361 800608 950722 1601216 1901444 3802888 7605776 15211552 30423104