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139741400 = 23524316249
BaseRepresentation
bin10000101010001…
…00100011011000
3100201221121011102
420111010203120
5241233211100
621511050532
73314532221
oct1025044330
9321847142
10139741400
1171975867
123a970a48
1322c49726
14147b8248
15c404cd5
hex85448d8

139741400 has 48 divisors (see below), whose sum is σ = 332475000. Its totient is φ = 54593280.

The previous prime is 139741361. The next prime is 139741429. The reversal of 139741400 is 4147931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476 + ... + 16724.

Almost surely, 2139741400 is an apocalyptic number.

139741400 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 139741400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166237500).

139741400 is an abundant number, since it is smaller than the sum of its proper divisors (192733600).

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

139741400 is a wasteful number, since it uses less digits than its factorization.

139741400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308 (or 16299 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 139741400 is about 11821.2266706971. The cubic root of 139741400 is about 518.9295038536.

The spelling of 139741400 in words is "one hundred thirty-nine million, seven hundred forty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 172 200 215 344 430 860 1075 1720 2150 4300 8600 16249 32498 64996 81245 129992 162490 324980 406225 649960 698707 812450 1397414 1624900 2794828 3249800 3493535 5589656 6987070 13974140 17467675 27948280 34935350 69870700 139741400