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68424532 = 221121091297
BaseRepresentation
bin1000001010000…
…01001101010100
311202202022210221
410011001031110
5120004041112
610442324124
71460412301
oct405011524
9152668727
1068424532
1135695400
121aab9644
13112396b7
1491320a8
156018e07
hex4141354

68424532 has 36 divisors (see below), whose sum is σ = 132928180. Its totient is φ = 30792960.

The previous prime is 68424523. The next prime is 68424547. The reversal of 68424532 is 23542486.

It can be written as a sum of positive squares in 2 ways, for example, as 61685316 + 6739216 = 7854^2 + 2596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52108 + ... + 53404.

Almost surely, 268424532 is an apocalyptic number.

It is an amenable number.

68424532 is a deficient number, since it is larger than the sum of its proper divisors (64503648).

68424532 is a wasteful number, since it uses less digits than its factorization.

68424532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1419 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 68424532 is about 8271.9122335769. The cubic root of 68424532 is about 409.0131570782.

The spelling of 68424532 in words is "sixty-eight million, four hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 109 121 218 242 436 484 1199 1297 2398 2594 4796 5188 13189 14267 26378 28534 52756 57068 141373 156937 282746 313874 565492 627748 1555103 3110206 6220412 17106133 34212266 68424532