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30602542 = 220637417
BaseRepresentation
bin111010010111…
…1010100101110
32010120202210111
41310233110232
530313240132
63011530234
7521055145
oct164572456
963522714
1030602542
1116302163
12a2b997a
136456319
1440c875c
152a47647
hex1d2f52e

30602542 has 8 divisors (see below), whose sum is σ = 45932256. Its totient is φ = 15291792.

The previous prime is 30602519. The next prime is 30602543. The reversal of 30602542 is 24520603.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30602543) 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, 418 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (5741532).

Almost surely, 230602542 is an apocalyptic number.

30602542 is a deficient number, since it is larger than the sum of its proper divisors (15329714).

30602542 is a wasteful number, since it uses less digits than its factorization.

30602542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30602542 is about 5531.9564351141. The cubic root of 30602542 is about 312.7897413036.

The spelling of 30602542 in words is "thirty million, six hundred two thousand, five hundred forty-two".

Divisors: 1 2 2063 4126 7417 14834 15301271 30602542