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308953342 = 21723974073
BaseRepresentation
bin10010011010100…
…100000011111110
3210112100110022101
4102122210003332
51113043001332
650353535314
710441026415
oct2232440376
9715313271
10308953342
1114943a245
128757453a
134c014139
142d06447c
151c1cbae7
hex126a40fe

308953342 has 32 divisors (see below), whose sum is σ = 517430592. Its totient is φ = 137601024.

The previous prime is 308953339. The next prime is 308953361. The reversal of 308953342 is 243359803.

It is a super-4 number, since 4×3089533424 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73818 + ... + 77890.

It is an arithmetic number, because the mean of its divisors is an integer number (16169706).

Almost surely, 2308953342 is an apocalyptic number.

308953342 is a deficient number, since it is larger than the sum of its proper divisors (208477250).

308953342 is a wasteful number, since it uses less digits than its factorization.

308953342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 308953342 is about 17577.0686407034. The cubic root of 308953342 is about 676.0274007660.

The spelling of 308953342 in words is "three hundred eight million, nine hundred fifty-three thousand, three hundred forty-two".

Divisors: 1 2 17 23 34 46 97 194 391 782 1649 2231 3298 4073 4462 8146 37927 69241 75854 93679 138482 187358 395081 790162 1592543 3185086 6716377 9086863 13432754 18173726 154476671 308953342