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139480800 = 2535289653
BaseRepresentation
bin10000101000001…
…00111011100000
3100201110100200120
420110010323200
5241201341200
621501320240
73312365364
oct1024047340
9321410616
10139480800
1171807a98
123a866080
1322b87c24
141474b2a4
15c3a29a0
hex8504ee0

139480800 has 144 divisors (see below), whose sum is σ = 459814320. Its totient is φ = 36720640.

The previous prime is 139480793. The next prime is 139480823. The reversal of 139480800 is 8084931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213274 + ... + 213926.

It is an arithmetic number, because the mean of its divisors is an integer number (3193155).

Almost surely, 2139480800 is an apocalyptic number.

139480800 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 139480800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229907160).

139480800 is an abundant number, since it is smaller than the sum of its proper divisors (320333520).

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

139480800 is a wasteful number, since it uses less digits than its factorization.

139480800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 139480800 is about 11810.1989822357. The cubic root of 139480800 is about 518.6067238708.

The spelling of 139480800 in words is "one hundred thirty-nine million, four hundred eighty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 89 96 100 120 150 160 178 200 240 267 300 356 400 445 480 534 600 653 712 800 890 1068 1200 1306 1335 1424 1780 1959 2136 2225 2400 2612 2670 2848 3265 3560 3918 4272 4450 5224 5340 6530 6675 7120 7836 8544 8900 9795 10448 10680 13060 13350 14240 15672 16325 17800 19590 20896 21360 26120 26700 31344 32650 35600 39180 42720 48975 52240 53400 58117 62688 65300 71200 78360 97950 104480 106800 116234 130600 156720 174351 195900 213600 232468 261200 290585 313440 348702 391800 464936 522400 581170 697404 783600 871755 929872 1162340 1394808 1452925 1567200 1743510 1859744 2324680 2789616 2905850 3487020 4358775 4649360 5579232 5811700 6974040 8717550 9298720 11623400 13948080 17435100 23246800 27896160 34870200 46493600 69740400 139480800