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102320372 = 22711714679
BaseRepresentation
bin1100001100101…
…00100011110100
321010112102011102
412012110203310
5202143222442
614053025232
72351465060
oct606244364
9233472142
10102320372
11528368a0
122a325218
13182769cb
14d836aa0
158eb2232
hex61948f4

102320372 has 48 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 39295200.

The previous prime is 102320341. The next prime is 102320389. The reversal of 102320372 is 273023201.

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, 19529 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2102320372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102320372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

102320372 is an abundant number, since it is smaller than the sum of its proper divisors (124116748).

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

102320372 is a wasteful number, since it uses less digits than its factorization.

102320372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 102320372 is about 10115.3532810278. The cubic root of 102320372 is about 467.7215391232.

Adding to 102320372 its reverse (273023201), we get a palindrome (375343573).

The spelling of 102320372 in words is "one hundred two million, three hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 71 77 142 154 284 308 497 781 994 1562 1988 3124 4679 5467 9358 10934 18716 21868 32753 51469 65506 102938 131012 205876 332209 360283 664418 720566 1328836 1441132 2325463 3654299 4650926 7308598 9301852 14617196 25580093 51160186 102320372