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30460460 = 22513910957
BaseRepresentation
bin111010000110…
…0101000101100
32010022112220012
41310030220230
530244213320
63004512352
7516624002
oct164145054
963275805
1030460460
1116215438
12a24b6b8
136406754
14408ca72
152a1a4c5
hex1d0ca2c

30460460 has 24 divisors (see below), whose sum is σ = 64433040. Its totient is φ = 12095424.

The previous prime is 30460433. The next prime is 30460471. The reversal of 30460460 is 6406403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (2684710).

Almost surely, 230460460 is an apocalyptic number.

It is an amenable number.

30460460 is an abundant number, since it is smaller than the sum of its proper divisors (33972580).

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

30460460 is a wasteful number, since it uses less digits than its factorization.

30460460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105 (or 11103 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30460460 is about 5519.0995642405. The cubic root of 30460460 is about 312.3049150393.

Adding to 30460460 its reverse (6406403), we get a palindrome (36866863).

The spelling of 30460460 in words is "thirty million, four hundred sixty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 10957 21914 43828 54785 109570 219140 1523023 3046046 6092092 7615115 15230230 30460460