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68277492 = 2234359587
BaseRepresentation
bin1000001000111…
…01010011110100
311202110212010000
410010131103310
5114434334432
610435231300
71456230513
oct404352364
9152425100
1068277492
11355a4988
121aa48530
13111b77aa
1490d467a
155eda57c
hex411d4f4

68277492 has 60 divisors (see below), whose sum is σ = 179292960. Its totient is φ = 22657104.

The previous prime is 68277487. The next prime is 68277499. The reversal of 68277492 is 29477286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68277499) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116023 + ... + 116609.

It is an arithmetic number, because the mean of its divisors is an integer number (2988216).

Almost surely, 268277492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68277492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89646480).

68277492 is an abundant number, since it is smaller than the sum of its proper divisors (111015468).

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

68277492 is a wasteful number, since it uses less digits than its factorization.

68277492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 951 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 68277492 is about 8263.0195449363. The cubic root of 68277492 is about 408.7199658094.

The spelling of 68277492 in words is "sixty-eight million, two hundred seventy-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 359 587 718 1077 1174 1436 1761 2154 2348 3231 3522 4308 5283 6462 7044 9693 10566 12924 15849 19386 21132 29079 31698 38772 47547 58158 63396 95094 116316 190188 210733 421466 632199 842932 1264398 1896597 2528796 3793194 5689791 7586388 11379582 17069373 22759164 34138746 68277492