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30472326 = 2321692907
BaseRepresentation
bin111010000111…
…1100010000110
32010100011011200
41310033202012
530300103301
63005043330
7520003413
oct164174206
963304150
1030472326
1116223345
12a256546
13640bc81
14409310a
152a1dc86
hex1d0f886

30472326 has 12 divisors (see below), whose sum is σ = 66023412. Its totient is φ = 10157436.

The previous prime is 30472319. The next prime is 30472327. The reversal of 30472326 is 62327403.

It is a self number, because there is not a number n which added to its sum of digits gives 30472326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846436 + ... + 846471.

It is an arithmetic number, because the mean of its divisors is an integer number (5501951).

Almost surely, 230472326 is an apocalyptic number.

30472326 is an abundant number, since it is smaller than the sum of its proper divisors (35551086).

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

30472326 is a wasteful number, since it uses less digits than its factorization.

30472326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692915 (or 1692912 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30472326 is about 5520.1744537650. The cubic root of 30472326 is about 312.3454630045.

Adding to 30472326 its reverse (62327403), we get a palindrome (92799729).

The spelling of 30472326 in words is "thirty million, four hundred seventy-two thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 1692907 3385814 5078721 10157442 15236163 30472326