Search a number
-
+
15457068 = 2234114337
BaseRepresentation
bin111010111101…
…101100101100
31002002022010000
4322331230230
512424111233
61311144300
7245245224
oct72755454
932068100
1015457068
1187a8140
125215090
1332826c3
1420a5084
151554d13
hexebdb2c

15457068 has 60 divisors (see below), whose sum is σ = 44091432. Its totient is φ = 4682880.

The previous prime is 15457067. The next prime is 15457073. The reversal of 15457068 is 86075451.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15457067) 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, 1396 + ... + 5732.

Almost surely, 215457068 is an apocalyptic number.

15457068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15457068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22045716).

15457068 is an abundant number, since it is smaller than the sum of its proper divisors (28634364).

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

15457068 is a wasteful number, since it uses less digits than its factorization.

15457068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 15457068 is about 3931.5477868137. The cubic root of 15457068 is about 249.1011347047.

The spelling of 15457068 in words is "fifteen million, four hundred fifty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1188 1782 3564 4337 8674 13011 17348 26022 39033 47707 52044 78066 95414 117099 143121 156132 190828 234198 286242 351297 429363 468396 572484 702594 858726 1288089 1405188 1717452 2576178 3864267 5152356 7728534 15457068