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30412136 = 239533989
BaseRepresentation
bin111010000000…
…0110101101000
32010020002121102
41310000311220
530241142021
63003500532
7516333056
oct164006550
963202542
1030412136
11161920a7
12a227748
1363ba761
1440791d6
152a0b00b
hex1d00d68

30412136 has 16 divisors (see below), whose sum is σ = 57096900. Its totient is φ = 15186304.

The previous prime is 30412111. The next prime is 30412159. The reversal of 30412136 is 63121403.

It can be written as a sum of positive squares in 2 ways, for example, as 30316036 + 96100 = 5506^2 + 310^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630 + ... + 9618.

Almost surely, 230412136 is an apocalyptic number.

It is an amenable number.

30412136 is a deficient number, since it is larger than the sum of its proper divisors (26684764).

30412136 is a wasteful number, since it uses less digits than its factorization.

30412136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30412136 is about 5514.7199384919. The cubic root of 30412136 is about 312.1396755719.

Adding to 30412136 its reverse (63121403), we get a palindrome (93533539).

The spelling of 30412136 in words is "thirty million, four hundred twelve thousand, one hundred thirty-six".

Divisors: 1 2 4 8 953 1906 3812 3989 7624 7978 15956 31912 3801517 7603034 15206068 30412136