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30446164 = 2271915693
BaseRepresentation
bin111010000100…
…1001001010100
32010021211021201
41310021021110
530243234124
63004322244
7516534220
oct164111124
963254251
1030446164
1116205721
12a243384
1364000a8
144087780
152a16144
hex1d09254

30446164 has 24 divisors (see below), whose sum is σ = 61221888. Its totient is φ = 12977760.

The previous prime is 30446161. The next prime is 30446173. The reversal of 30446164 is 46164403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30446161) 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, 2502 + ... + 8194.

It is an arithmetic number, because the mean of its divisors is an integer number (2550912).

Almost surely, 230446164 is an apocalyptic number.

It is an amenable number.

30446164 is an abundant number, since it is smaller than the sum of its proper divisors (30775724).

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

30446164 is a wasteful number, since it uses less digits than its factorization.

30446164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30446164 is about 5517.8042734407. The cubic root of 30446164 is about 312.2560493982.

The spelling of 30446164 in words is "thirty million, four hundred forty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 191 382 764 1337 2674 5348 5693 11386 22772 39851 79702 159404 1087363 2174726 4349452 7611541 15223082 30446164