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102420363 = 31011572153
BaseRepresentation
bin1100001101011…
…00111110001011
321010201111022210
412012230332023
5202204422423
614055120203
72352362433
oct606547613
9233644283
10102420363
11528a4a31
122a373063
13182b0386
14d8612c3
158ed1b93
hex61acf8b

102420363 has 16 divisors (see below), whose sum is σ = 138855456. Its totient is φ = 67142400.

The previous prime is 102420361. The next prime is 102420377. The reversal of 102420363 is 363024201.

It is a happy number.

It is not a de Polignac number, because 102420363 - 21 = 102420361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102420361) 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, 46495 + ... + 48647.

It is an arithmetic number, because the mean of its divisors is an integer number (8678466).

Almost surely, 2102420363 is an apocalyptic number.

102420363 is a deficient number, since it is larger than the sum of its proper divisors (36435093).

102420363 is a wasteful number, since it uses less digits than its factorization.

102420363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102420363 is about 10120.2946103362. The cubic root of 102420363 is about 467.8738473989.

Adding to 102420363 its reverse (363024201), we get a palindrome (465444564).

The spelling of 102420363 in words is "one hundred two million, four hundred twenty thousand, three hundred sixty-three".

Divisors: 1 3 101 157 303 471 2153 6459 15857 47571 217453 338021 652359 1014063 34140121 102420363