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306366972 = 22325530581
BaseRepresentation
bin10010010000101…
…100100111111100
3210100111001110220
4102100230213330
51111412220342
650222301340
710410035112
oct2220544774
9710431426
10306366972
11147a3304a
1286727850
134b619b42
142c98dab2
151bd6a5ec
hex1242c9fc

306366972 has 12 divisors (see below), whose sum is σ = 714856296. Its totient is φ = 102122320.

The previous prime is 306366967. The next prime is 306366997. The reversal of 306366972 is 279663603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12765279 + ... + 12765302.

It is an arithmetic number, because the mean of its divisors is an integer number (59571358).

Almost surely, 2306366972 is an apocalyptic number.

It is an amenable number.

306366972 is an abundant number, since it is smaller than the sum of its proper divisors (408489324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306366972 is a wasteful number, since it uses less digits than its factorization.

306366972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530588 (or 25530586 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 306366972 is about 17503.3417380796. The cubic root of 306366972 is about 674.1356816660.

The spelling of 306366972 in words is "three hundred six million, three hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 25530581 51061162 76591743 102122324 153183486 306366972