Search a number
-
+
68901054 = 2323499283
BaseRepresentation
bin1000001101101…
…01100010111110
311210122112110220
410012311202332
5120114313204
610500442210
71464435465
oct406654276
9153575426
1068901054
1135990422
121b0a9366
1311375571
1492179dc
1560b01d9
hex41b58be

68901054 has 16 divisors (see below), whose sum is σ = 143793792. Its totient is φ = 21968408.

The previous prime is 68901043. The next prime is 68901073. The reversal of 68901054 is 45010986.

It is a super-3 number, since 3×689010543 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249504 + ... + 249779.

It is an arithmetic number, because the mean of its divisors is an integer number (8987112).

Almost surely, 268901054 is an apocalyptic number.

68901054 is an abundant number, since it is smaller than the sum of its proper divisors (74892738).

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

68901054 is a wasteful number, since it uses less digits than its factorization.

68901054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499311.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 68901054 is about 8300.6658769041. The cubic root of 68901054 is about 409.9604443298.

The spelling of 68901054 in words is "sixty-eight million, nine hundred one thousand, fifty-four".

Divisors: 1 2 3 6 23 46 69 138 499283 998566 1497849 2995698 11483509 22967018 34450527 68901054