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30434076 = 2233281797
BaseRepresentation
bin111010000011…
…0001100011100
32010021012201000
41310012030130
530242342301
63004150300
7516454041
oct164061434
963235630
1030434076
11161a7632
12a238390
1363c773a
1440831c8
152a12786
hex1d0631c

30434076 has 24 divisors (see below), whose sum is σ = 78903440. Its totient is φ = 10144656.

The previous prime is 30434069. The next prime is 30434081. The reversal of 30434076 is 67043403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 140791 + ... + 141006.

Almost surely, 230434076 is an apocalyptic number.

30434076 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30434076 is an abundant number, since it is smaller than the sum of its proper divisors (48469364).

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

30434076 is a wasteful number, since it uses less digits than its factorization.

30434076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281810 (or 281802 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30434076 is about 5516.7088014504. The cubic root of 30434076 is about 312.2147190599.

Adding to 30434076 its reverse (67043403), we get a palindrome (97477479).

The spelling of 30434076 in words is "thirty million, four hundred thirty-four thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 281797 563594 845391 1127188 1690782 2536173 3381564 5072346 7608519 10144692 15217038 30434076