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30674253 = 310224751
BaseRepresentation
bin111010100000…
…0110101001101
32010201102011110
41311000311031
530323034003
63013242233
7521504211
oct165006515
963642143
1030674253
1116351025
12a333379
13647cb5c
144106941
152a5da03
hex1d40d4d

30674253 has 4 divisors (see below), whose sum is σ = 40899008. Its totient is φ = 20449500.

The previous prime is 30674233. The next prime is 30674261. The reversal of 30674253 is 35247603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30674253 - 217 = 30543181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30674253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30674233) 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, 5112373 + ... + 5112378.

It is an arithmetic number, because the mean of its divisors is an integer number (10224752).

Almost surely, 230674253 is an apocalyptic number.

It is an amenable number.

30674253 is a deficient number, since it is larger than the sum of its proper divisors (10224755).

30674253 is a wasteful number, since it uses less digits than its factorization.

30674253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224754.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 30674253 is about 5538.4341649965. The cubic root of 30674253 is about 313.0338709956.

The spelling of 30674253 in words is "thirty million, six hundred seventy-four thousand, two hundred fifty-three".

Divisors: 1 3 10224751 30674253