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72684010 = 25717103593
BaseRepresentation
bin1000101010100…
…01000111101010
312001202201201101
410111101013222
5122101342020
611113512014
71541542510
oct425210752
9161681641
1072684010
1138034633
122041260a
131209b3b9
1499204b0
1565ab00a
hex45511ea

72684010 has 64 divisors (see below), whose sum is σ = 160123392. Its totient is φ = 23187456.

The previous prime is 72683999. The next prime is 72684037. The reversal of 72684010 is 1048627.

72684010 = 10712 + 10722 + ... + 11302.

It is a self number, because there is not a number n which added to its sum of digits gives 72684010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122274 + ... + 122866.

It is an arithmetic number, because the mean of its divisors is an integer number (2501928).

Almost surely, 272684010 is an apocalyptic number.

72684010 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72684010 is an abundant number, since it is smaller than the sum of its proper divisors (87439382).

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

72684010 is a wasteful number, since it uses less digits than its factorization.

72684010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 72684010 is about 8525.4917746720. The cubic root of 72684010 is about 417.3300203259.

The spelling of 72684010 in words is "seventy-two million, six hundred eighty-four thousand, ten".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 103 119 170 206 238 515 593 595 721 1030 1186 1190 1442 1751 2965 3502 3605 4151 5930 7210 8302 8755 10081 12257 17510 20162 20755 24514 41510 50405 61079 61285 70567 100810 122158 122570 141134 305395 352835 427553 610790 705670 855106 1038343 2076686 2137765 4275530 5191715 7268401 10383430 14536802 36342005 72684010