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30401412 = 2237932069
BaseRepresentation
bin111001111111…
…0001110000100
32010012112220020
41303332032010
530240321122
63003335140
7516256566
oct163761604
963175806
1030401412
1116185038
12a2214b0
1363b5902
144075336
152a07c5c
hex1cfe384

30401412 has 24 divisors (see below), whose sum is σ = 71836800. Its totient is φ = 10005216.

The previous prime is 30401369. The next prime is 30401417. The reversal of 30401412 is 21410403.

It is a junction number, because it is equal to n+sod(n) for n = 30401391 and 30401400.

It is not an unprimeable number, because it can be changed into a prime (30401417) 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, 15087 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (2993200).

Almost surely, 230401412 is an apocalyptic number.

It is an amenable number.

30401412 is an abundant number, since it is smaller than the sum of its proper divisors (41435388).

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

30401412 is a wasteful number, since it uses less digits than its factorization.

30401412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32155 (or 32153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30401412 is about 5513.7475459074. The cubic root of 30401412 is about 312.1029821127.

Adding to 30401412 its reverse (21410403), we get a palindrome (51811815).

The spelling of 30401412 in words is "thirty million, four hundred one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 32069 64138 96207 128276 192414 384828 2533451 5066902 7600353 10133804 15200706 30401412