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102203274 = 2367972621
BaseRepresentation
bin1100001011101…
…11111110001010
321010022110112110
412011313332022
5202131001044
614050323150
72350466505
oct605677612
9233273473
10102203274
1152766918
122a2894b6
1318235614
14d80613c
158e8c6b9
hex6177f8a

102203274 has 32 divisors (see below), whose sum is σ = 209676096. Its totient is φ = 33200640.

The previous prime is 102203273. The next prime is 102203323. The reversal of 102203274 is 472302201.

It is a self number, because there is not a number n which added to its sum of digits gives 102203274.

It is not an unprimeable number, because it can be changed into a prime (102203273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37684 + ... + 40304.

It is an arithmetic number, because the mean of its divisors is an integer number (6552378).

Almost surely, 2102203274 is an apocalyptic number.

102203274 is an abundant number, since it is smaller than the sum of its proper divisors (107472822).

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

102203274 is a wasteful number, since it uses less digits than its factorization.

102203274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 102203274 is about 10109.5634920604. The cubic root of 102203274 is about 467.5430469289.

Adding to 102203274 its reverse (472302201), we get a palindrome (574505475).

The spelling of 102203274 in words is "one hundred two million, two hundred three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 67 97 134 194 201 291 402 582 2621 5242 6499 7863 12998 15726 19497 38994 175607 254237 351214 508474 526821 762711 1053642 1525422 17033879 34067758 51101637 102203274