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23613828 = 2237281117
BaseRepresentation
bin101101000010…
…1000110000100
31122102201002020
41122011012010
522021120303
62202043140
7404466660
oct132050604
948381066
1023613828
1112369467
127aa94b0
134b7a2a4
1431c98a0
152116a53
hex1685184

23613828 has 24 divisors (see below), whose sum is σ = 62970432. Its totient is φ = 6746784.

The previous prime is 23613797. The next prime is 23613839. The reversal of 23613828 is 82831632.

It is a super-2 number, since 2×236138282 = 1115225745627168, which contains 22 as substring.

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, 140475 + ... + 140642.

It is an arithmetic number, because the mean of its divisors is an integer number (2623768).

Almost surely, 223613828 is an apocalyptic number.

23613828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23613828 is an abundant number, since it is smaller than the sum of its proper divisors (39356604).

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

23613828 is a wasteful number, since it uses less digits than its factorization.

23613828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281131 (or 281129 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 23613828 is about 4859.4061365562. The cubic root of 23613828 is about 286.8944400893.

The spelling of 23613828 in words is "twenty-three million, six hundred thirteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 281117 562234 843351 1124468 1686702 1967819 3373404 3935638 5903457 7871276 11806914 23613828