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30076776 = 2332417733
BaseRepresentation
bin111001010111…
…0111101101000
32002121001120200
41302232331220
530144424101
62552352200
7513435252
oct162567550
962531520
1030076776
1115a83144
12a0a5660
136300c12
143dcccd2
152991986
hex1caef68

30076776 has 24 divisors (see below), whose sum is σ = 81458130. Its totient is φ = 10025568.

The previous prime is 30076747. The next prime is 30076777. The reversal of 30076776 is 67767003.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 5336100 = 4974^2 + 2310^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×300767762 = 1809224909108352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30076776.

It is not an unprimeable number, because it can be changed into a prime (30076777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208795 + ... + 208938.

Almost surely, 230076776 is an apocalyptic number.

30076776 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30076776 is an abundant number, since it is smaller than the sum of its proper divisors (51381354).

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

30076776 is a wasteful number, since it uses less digits than its factorization.

30076776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417745 (or 417738 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 30076776 is about 5484.2297544870. The cubic root of 30076776 is about 310.9880924436.

The spelling of 30076776 in words is "thirty million, seventy-six thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 417733 835466 1253199 1670932 2506398 3341864 3759597 5012796 7519194 10025592 15038388 30076776