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30532542 = 237369709
BaseRepresentation
bin111010001111…
…0001110111110
32010110012202220
41310132032332
530304020132
63010230210
7520344105
oct164361676
963405686
1030532542
1116264607
12a285366
1364304c1
1440ab03c
152a31a2c
hex1d1e3be

30532542 has 16 divisors (see below), whose sum is σ = 61902480. Its totient is φ = 10037952.

The previous prime is 30532519. The next prime is 30532573. The reversal of 30532542 is 24523503.

It is a super-2 number, since 2×305325422 = 1864472241963528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34417 + ... + 35292.

It is an arithmetic number, because the mean of its divisors is an integer number (3868905).

Almost surely, 230532542 is an apocalyptic number.

30532542 is an abundant number, since it is smaller than the sum of its proper divisors (31369938).

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

30532542 is a wasteful number, since it uses less digits than its factorization.

30532542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69787.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 30532542 is about 5525.6259373939. The cubic root of 30532542 is about 312.5510683474.

The spelling of 30532542 in words is "thirty million, five hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 73 146 219 438 69709 139418 209127 418254 5088757 10177514 15266271 30532542