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30514406 = 2131173631
BaseRepresentation
bin111010001100…
…1110011100110
32010102021220012
41310121303212
530302430111
63010010222
7520240166
oct164316346
963367805
1030514406
1116251a1a
12a276972
136425180
1440a45a6
152a2b48b
hex1d19ce6

30514406 has 8 divisors (see below), whose sum is σ = 49292544. Its totient is φ = 14083560.

The previous prime is 30514403. The next prime is 30514411. The reversal of 30514406 is 60441503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×305144062 = 1862257947065672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30514403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586790 + ... + 586841.

It is an arithmetic number, because the mean of its divisors is an integer number (6161568).

Almost surely, 230514406 is an apocalyptic number.

30514406 is a deficient number, since it is larger than the sum of its proper divisors (18778138).

30514406 is a wasteful number, since it uses less digits than its factorization.

30514406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173646.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30514406 is about 5523.9846125781. The cubic root of 30514406 is about 312.4891721048.

Adding to 30514406 its reverse (60441503), we get a palindrome (90955909).

The spelling of 30514406 in words is "thirty million, five hundred fourteen thousand, four hundred six".

Divisors: 1 2 13 26 1173631 2347262 15257203 30514406