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30740577 = 371463837
BaseRepresentation
bin111010101000…
…1000001100001
32010211210010220
41311101001201
530332144302
63014513253
7522201450
oct165210141
963753126
1030740577
111639693a
12a365829
1364a40ba
144122b97
152a734bc
hex1d51061

30740577 has 8 divisors (see below), whose sum is σ = 46842816. Its totient is φ = 17566032.

The previous prime is 30740569. The next prime is 30740579. The reversal of 30740577 is 77504703.

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

It is not a de Polignac number, because 30740577 - 23 = 30740569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30740579) 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, 731898 + ... + 731939.

It is an arithmetic number, because the mean of its divisors is an integer number (5855352).

Almost surely, 230740577 is an apocalyptic number.

It is an amenable number.

30740577 is a deficient number, since it is larger than the sum of its proper divisors (16102239).

30740577 is a wasteful number, since it uses less digits than its factorization.

30740577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463847.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 30740577 is about 5544.4185448070. The cubic root of 30740577 is about 313.2593229706.

The spelling of 30740577 in words is "thirty million, seven hundred forty thousand, five hundred seventy-seven".

Divisors: 1 3 7 21 1463837 4391511 10246859 30740577