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102631033 = 4779131211
BaseRepresentation
bin1100001111000…
…00011001111001
321011010012022101
412013200121321
5202233143113
614103423401
72354230561
oct607403171
9234105271
10102631033
1152a2923a
122a454b61
131835522b
14d8b7da1
1590242dd
hex61e0679

102631033 has 16 divisors (see below), whose sum is σ = 107458560. Its totient is φ = 97952400.

The previous prime is 102630943. The next prime is 102631043. The reversal of 102631033 is 330136201.

It is a cyclic number.

It is not a de Polignac number, because 102631033 - 217 = 102499961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102631033.

It is not an unprimeable number, because it can be changed into a prime (102631043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486298 + ... + 486508.

It is an arithmetic number, because the mean of its divisors is an integer number (6716160).

Almost surely, 2102631033 is an apocalyptic number.

It is an amenable number.

102631033 is a deficient number, since it is larger than the sum of its proper divisors (4827527).

102631033 is a wasteful number, since it uses less digits than its factorization.

102631033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 102631033 is about 10130.6975574242. The cubic root of 102631033 is about 468.1944199763.

Adding to 102631033 its reverse (330136201), we get a palindrome (432767234).

The spelling of 102631033 in words is "one hundred two million, six hundred thirty-one thousand, thirty-three".

Divisors: 1 47 79 131 211 3713 6157 9917 10349 16669 27641 486403 783443 1299127 2183639 102631033