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307421352 = 23337203321
BaseRepresentation
bin10010010100101…
…110000010101000
3210102110121211000
4102110232002220
51112144440402
650301035000
710422016110
oct2224560250
9712417730
10307421352
11148593237
1286b55a60
134b8c8a34
142cb86040
151bec7c1c
hex1252e0a8

307421352 has 64 divisors (see below), whose sum is σ = 975945600. Its totient is φ = 87834240.

The previous prime is 307421347. The next prime is 307421371. The reversal of 307421352 is 253124703.

307421352 is a `hidden beast` number, since 307 + 4 + 2 + 1 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100149 + ... + 103172.

It is an arithmetic number, because the mean of its divisors is an integer number (15249150).

Almost surely, 2307421352 is an apocalyptic number.

It is an amenable number.

307421352 is an abundant number, since it is smaller than the sum of its proper divisors (668524248).

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

307421352 is a wasteful number, since it uses less digits than its factorization.

307421352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203343 (or 203333 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 307421352 is about 17533.4352595263. The cubic root of 307421352 is about 674.9081554049.

The spelling of 307421352 in words is "three hundred seven million, four hundred twenty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 203321 406642 609963 813284 1219926 1423247 1626568 1829889 2439852 2846494 3659778 4269741 4879704 5489667 5692988 7319556 8539482 10979334 11385976 12809223 14639112 17078964 21958668 25618446 34157928 38427669 43917336 51236892 76855338 102473784 153710676 307421352