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102631244 = 221723211311
BaseRepresentation
bin1100001111000…
…00011101001100
321011010012121012
412013200131030
5202233144434
614103424352
72354231312
oct607403514
9234105535
10102631244
1152a29411
122a4550b8
1318355361
14d8b80b2
1590243ce
hex61e074c

102631244 has 48 divisors (see below), whose sum is σ = 200019456. Its totient is φ = 45830400.

The previous prime is 102631231. The next prime is 102631271. The reversal of 102631244 is 442136201.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 329849 + ... + 330159.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2102631244 is an apocalyptic number.

It is an amenable number.

102631244 is a deficient number, since it is larger than the sum of its proper divisors (97388212).

102631244 is a wasteful number, since it uses less digits than its factorization.

102631244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 102631244 is about 10130.7079713118. The cubic root of 102631244 is about 468.1947408310.

Adding to 102631244 its reverse (442136201), we get a palindrome (544767445).

The spelling of 102631244 in words is "one hundred two million, six hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 17 23 34 46 68 92 211 311 391 422 622 782 844 1244 1564 3587 4853 5287 7153 7174 9706 10574 14306 14348 19412 21148 28612 65621 82501 121601 131242 165002 243202 262484 330004 486404 1115557 1509283 2231114 3018566 4462228 6037132 25657811 51315622 102631244