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102697470 = 2345196673
BaseRepresentation
bin1100001111100…
…00100111111110
321011020120110000
412013300213332
5202242304340
614105055130
72354625351
oct607604776
9234216400
10102697470
1152a74147
122a4874a6
1318379545
14d8d4298
159038d30
hex61f09fe

102697470 has 80 divisors (see below), whose sum is σ = 290719440. Its totient is φ = 25940736.

The previous prime is 102697447. The next prime is 102697499. The reversal of 102697470 is 74796201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12054 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (3633993).

Almost surely, 2102697470 is an apocalyptic number.

102697470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102697470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145359720).

102697470 is an abundant number, since it is smaller than the sum of its proper divisors (188021970).

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

102697470 is a wasteful number, since it uses less digits than its factorization.

102697470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711 (or 6702 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 102697470 is about 10133.9760212860. The cubic root of 102697470 is about 468.2954249137.

The spelling of 102697470 in words is "one hundred two million, six hundred ninety-seven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 81 90 95 114 135 162 171 190 270 285 342 405 513 570 810 855 1026 1539 1710 2565 3078 5130 6673 7695 13346 15390 20019 33365 40038 60057 66730 100095 120114 126787 180171 200190 253574 300285 360342 380361 540513 600570 633935 760722 900855 1081026 1141083 1267870 1801710 1901805 2282166 2702565 3423249 3803610 5405130 5705415 6846498 10269747 11410830 17116245 20539494 34232490 51348735 102697470