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102920302 = 2192708429
BaseRepresentation
bin1100010001001…
…11000001101110
321011122220010001
412020213001232
5202321422202
614113534514
72356544122
oct610470156
9234586101
10102920302
1153106601
122a57443a
1318426ab4
14d951582
15907ed87
hex622706e

102920302 has 8 divisors (see below), whose sum is σ = 162505800. Its totient is φ = 48751704.

The previous prime is 102920297. The next prime is 102920317. The reversal of 102920302 is 203029201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102920302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354177 + ... + 1354252.

It is an arithmetic number, because the mean of its divisors is an integer number (20313225).

Almost surely, 2102920302 is an apocalyptic number.

102920302 is a deficient number, since it is larger than the sum of its proper divisors (59585498).

102920302 is a wasteful number, since it uses less digits than its factorization.

102920302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708450.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102920302 is about 10144.9643666205. The cubic root of 102920302 is about 468.6338812345.

Adding to 102920302 its reverse (203029201), we get a palindrome (305949503).

The spelling of 102920302 in words is "one hundred two million, nine hundred twenty thousand, three hundred two".

Divisors: 1 2 19 38 2708429 5416858 51460151 102920302