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102479104 = 287135383
BaseRepresentation
bin1100001101110…
…11010100000000
321010211110220101
412012323110000
5202213312404
614100252144
72353025620
oct606732400
9233743811
10102479104
1152935082
122a3a1054
1318301030
14d878880
158ee42a4
hex61bb500

102479104 has 144 divisors (see below), whose sum is σ = 259604352. Its totient is φ = 39297024.

The previous prime is 102479101. The next prime is 102479119. The reversal of 102479104 is 401974201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102479101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234647 + ... + 1234729.

It is an arithmetic number, because the mean of its divisors is an integer number (1802808).

Almost surely, 2102479104 is an apocalyptic number.

102479104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102479104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129802176).

102479104 is an abundant number, since it is smaller than the sum of its proper divisors (157125248).

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

102479104 is an equidigital number, since it uses as much as digits as its factorization.

102479104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 102479104 is about 10123.1963331746. The cubic root of 102479104 is about 467.9632766373.

The spelling of 102479104 in words is "one hundred two million, four hundred seventy-nine thousand, one hundred four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 53 56 64 83 91 104 106 112 128 166 182 208 212 224 256 332 364 371 416 424 448 581 664 689 728 742 832 848 896 1079 1162 1328 1378 1456 1484 1664 1696 1792 2158 2324 2656 2756 2912 2968 3328 3392 4316 4399 4648 4823 5312 5512 5824 5936 6784 7553 8632 8798 9296 9646 10624 11024 11648 11872 13568 15106 17264 17596 18592 19292 21248 22048 23296 23744 30212 30793 34528 35192 37184 38584 44096 47488 57187 60424 61586 69056 70384 74368 77168 88192 94976 114374 120848 123172 138112 140768 148736 154336 176384 228748 241696 246344 276224 281536 308672 400309 457496 483392 492688 563072 617344 800618 914992 966784 985376 1126144 1234688 1601236 1829984 1933568 1970752 3202472 3659968 3941504 6404944 7319936 7883008 12809888 14639872 25619776 51239552 102479104