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103397812 = 22712729077
BaseRepresentation
bin1100010100110…
…11100110110100
321012120011010121
412022123212310
5202432212222
614132101324
72363603230
oct612334664
9235504117
10103397812
1153402341
122a764844
131856324b
14da375c0
1591265c7
hex629b9b4

103397812 has 24 divisors (see below), whose sum is σ = 208431104. Its totient is φ = 43962912.

The previous prime is 103397809. The next prime is 103397821. The reversal of 103397812 is 218793301.

It is a super-2 number, since 2×1033978122 = 21382215052774688, which contains 22 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, 10983 + ... + 18094.

Almost surely, 2103397812 is an apocalyptic number.

It is an amenable number.

103397812 is an abundant number, since it is smaller than the sum of its proper divisors (105033292).

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

103397812 is a wasteful number, since it uses less digits than its factorization.

103397812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215 (or 29213 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 103397812 is about 10168.4714682198. The cubic root of 103397812 is about 469.3575226338.

The spelling of 103397812 in words is "one hundred three million, three hundred ninety-seven thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 127 254 508 889 1778 3556 29077 58154 116308 203539 407078 814156 3692779 7385558 14771116 25849453 51698906 103397812