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13850004 = 2237164881
BaseRepresentation
bin110100110101…
…010110010100
3222001122122010
4310311112110
512021200004
61212504220
7225503010
oct64652624
928048563
1013850004
1178aa793
12477b070
132b3c08c
141ba7540
151338a89
hexd35594

13850004 has 24 divisors (see below), whose sum is σ = 36933568. Its totient is φ = 3957120.

The previous prime is 13849991. The next prime is 13850009. The reversal of 13850004 is 40005831.

13850004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138500042 = 383645221600032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13850009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82357 + ... + 82524.

Almost surely, 213850004 is an apocalyptic number.

13850004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13850004 is an abundant number, since it is smaller than the sum of its proper divisors (23083564).

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

13850004 is a wasteful number, since it uses less digits than its factorization.

13850004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164895 (or 164893 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 13850004 is about 3721.5593505949. The cubic root of 13850004 is about 240.1503918510.

Adding to 13850004 its reverse (40005831), we get a palindrome (53855835).

The spelling of 13850004 in words is "thirteen million, eight hundred fifty thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 164881 329762 494643 659524 989286 1154167 1978572 2308334 3462501 4616668 6925002 13850004