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22690104 = 23317192927
BaseRepresentation
bin101011010001…
…1100100111000
31120200202222020
41112203210320
521302040404
62130154440
7363601623
oct126434470
946622866
1022690104
1111898458
127722a20
1349159c8
143028dba
151ed2ed9
hex15a3938

22690104 has 64 divisors (see below), whose sum is σ = 63244800. Its totient is φ = 6741504.

The previous prime is 22690067. The next prime is 22690141. The reversal of 22690104 is 40109622.

It is an interprime number because it is at equal distance from previous prime (22690067) and next prime (22690141).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (988200).

Almost surely, 222690104 is an apocalyptic number.

22690104 is a gapful number since it is divisible by the number (24) 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 22690104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31622400).

22690104 is an abundant number, since it is smaller than the sum of its proper divisors (40554696).

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

22690104 is a wasteful number, since it uses less digits than its factorization.

22690104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22690104 is about 4763.4130620806. The cubic root of 22690104 is about 283.1036674813.

Adding to 22690104 its reverse (40109622), we get a palindrome (62799726).

The spelling of 22690104 in words is "twenty-two million, six hundred ninety thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 17 19 24 34 38 51 57 68 76 102 114 136 152 204 228 323 408 456 646 969 1292 1938 2584 2927 3876 5854 7752 8781 11708 17562 23416 35124 49759 55613 70248 99518 111226 149277 166839 199036 222452 298554 333678 398072 444904 597108 667356 945421 1194216 1334712 1890842 2836263 3781684 5672526 7563368 11345052 22690104