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102477669 = 372697127
BaseRepresentation
bin1100001101110…
…10111101100101
321010211101221020
412012322331211
5202213241134
614100241353
72353021500
oct606727545
9233741836
10102477669
1152933a98
122a3a0259
1318300498
14d878137
158ee3b49
hex61baf65

102477669 has 12 divisors (see below), whose sum is σ = 158945184. Its totient is φ = 58558584.

The previous prime is 102477667. The next prime is 102477689. The reversal of 102477669 is 966774201.

It is not a de Polignac number, because 102477669 - 21 = 102477667 is a prime.

It is a super-2 number, since 2×1024776692 = 21003345287347122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102477669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102477667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348417 + ... + 348710.

It is an arithmetic number, because the mean of its divisors is an integer number (13245432).

Almost surely, 2102477669 is an apocalyptic number.

It is an amenable number.

102477669 is a deficient number, since it is larger than the sum of its proper divisors (56467515).

102477669 is an equidigital number, since it uses as much as digits as its factorization.

102477669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697144 (or 697137 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 102477669 is about 10123.1254561030. The cubic root of 102477669 is about 467.9610923532.

The spelling of 102477669 in words is "one hundred two million, four hundred seventy-seven thousand, six hundred sixty-nine".

Divisors: 1 3 7 21 49 147 697127 2091381 4879889 14639667 34159223 102477669