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307420564 = 221153241547
BaseRepresentation
bin10010010100101…
…101110110010100
3210102110120201211
4102110231312110
51112144424224
650301031204
710422013603
oct2224556624
9712416654
10307420564
11148592690
1286b55504
134b8c8579
142cb85a3a
151bec7894
hex1252dd94

307420564 has 48 divisors (see below), whose sum is σ = 601546176. Its totient is φ = 136281600.

The previous prime is 307420543. The next prime is 307420567. The reversal of 307420564 is 465024703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307420567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561739 + ... + 562285.

It is an arithmetic number, because the mean of its divisors is an integer number (12532212).

Almost surely, 2307420564 is an apocalyptic number.

It is an amenable number.

307420564 is a deficient number, since it is larger than the sum of its proper divisors (294125612).

307420564 is a wasteful number, since it uses less digits than its factorization.

307420564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 307420564 is about 17533.4127881596. The cubic root of 307420564 is about 674.9075787500.

The spelling of 307420564 in words is "three hundred seven million, four hundred twenty thousand, five hundred sixty-four".

Divisors: 1 2 4 11 22 44 53 106 212 241 482 547 583 964 1094 1166 2188 2332 2651 5302 6017 10604 12034 12773 24068 25546 28991 51092 57982 115964 131827 140503 263654 281006 318901 527308 562012 637802 1275604 1450097 2900194 5800388 6986831 13973662 27947324 76855141 153710282 307420564