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30574137 = 311926489
BaseRepresentation
bin111010010100…
…0011000111001
32010112022211110
41310220120321
530311333022
63011150533
7520606266
oct164503071
963468743
1030574137
1116292890
12a2a5449
136446409
1440bc26d
152a3e00c
hex1d28639

30574137 has 8 divisors (see below), whose sum is σ = 44471520. Its totient is φ = 18529760.

The previous prime is 30574133. The next prime is 30574147. The reversal of 30574137 is 73147503.

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

It is a cyclic number.

It is not a de Polignac number, because 30574137 - 22 = 30574133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30574133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463212 + ... + 463277.

It is an arithmetic number, because the mean of its divisors is an integer number (5558940).

Almost surely, 230574137 is an apocalyptic number.

It is an amenable number.

30574137 is a deficient number, since it is larger than the sum of its proper divisors (13897383).

30574137 is a wasteful number, since it uses less digits than its factorization.

30574137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926503.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30574137 is about 5529.3884833678. The cubic root of 30574137 is about 312.6929351521.

The spelling of 30574137 in words is "thirty million, five hundred seventy-four thousand, one hundred thirty-seven".

Divisors: 1 3 11 33 926489 2779467 10191379 30574137