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102667040 = 2557312957
BaseRepresentation
bin1100001111010…
…01001100100000
321011012000200222
412013221030200
5202240321130
614104302212
72354440550
oct607511440
9234160628
10102667040
1152a532a3
122a471968
1318368738
14d8c7160
15902ece5
hex61e9320

102667040 has 96 divisors (see below), whose sum is σ = 286239744. Its totient is φ = 34053120.

The previous prime is 102667039. The next prime is 102667043. The reversal of 102667040 is 40766201.

It is a super-4 number, since 4×1026670404 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (102667043) 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, 33242 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (2981664).

Almost surely, 2102667040 is an apocalyptic number.

102667040 is a gapful number since it is divisible by the number (10) 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 102667040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143119872).

102667040 is an abundant number, since it is smaller than the sum of its proper divisors (183572704).

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

102667040 is a wasteful number, since it uses less digits than its factorization.

102667040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 102667040 is about 10132.4745250112. The cubic root of 102667040 is about 468.2491672422.

The spelling of 102667040 in words is "one hundred two million, six hundred sixty-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 155 160 217 224 248 280 310 434 496 560 620 868 992 1085 1120 1240 1736 2170 2480 2957 3472 4340 4960 5914 6944 8680 11828 14785 17360 20699 23656 29570 34720 41398 47312 59140 82796 91667 94624 103495 118280 165592 183334 206990 236560 331184 366668 413980 458335 473120 641669 662368 733336 827960 916670 1283338 1466672 1655920 1833340 2566676 2933344 3208345 3311840 3666680 5133352 6416690 7333360 10266704 12833380 14666720 20533408 25666760 51333520 102667040