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30740770 = 255952103
BaseRepresentation
bin111010101000…
…1000100100010
32010211210102001
41311101010202
530332201040
63014514214
7522202144
oct165210442
963753361
1030740770
1116396aa5
12a36596a
1364a4208
144122c94
152a7359a
hex1d51122

30740770 has 16 divisors (see below), whose sum is σ = 56272320. Its totient is φ = 12087664.

The previous prime is 30740761. The next prime is 30740771. The reversal of 30740770 is 7704703.

It is not an unprimeable number, because it can be changed into a prime (30740771) 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, 25462 + ... + 26641.

It is an arithmetic number, because the mean of its divisors is an integer number (3517020).

Almost surely, 230740770 is an apocalyptic number.

30740770 is a deficient number, since it is larger than the sum of its proper divisors (25531550).

30740770 is a wasteful number, since it uses less digits than its factorization.

30740770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52169.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 30740770 is about 5544.4359496706. The cubic root of 30740770 is about 313.2599785527.

The spelling of 30740770 in words is "thirty million, seven hundred forty thousand, seven hundred seventy".

Divisors: 1 2 5 10 59 118 295 590 52103 104206 260515 521030 3074077 6148154 15370385 30740770