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272903120 = 24573713171
BaseRepresentation
bin10000010001000…
…010101111010000
3201000111220200222
4100101002233100
51024330344440
643025132212
76522431630
oct2021025720
9630456628
10272903120
11130057176
127748a068
1344701349
142835c6c0
1518e5a2b5
hex10442bd0

272903120 has 80 divisors (see below), whose sum is σ = 744797568. Its totient is φ = 91031040.

The previous prime is 272903107. The next prime is 272903129. The reversal of 272903120 is 21309272.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2729031202 = 148952225811468800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 272903120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272903129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14135 + ... + 27305.

Almost surely, 2272903120 is an apocalyptic number.

272903120 is a gapful number since it is divisible by the number (20) 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 272903120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372398784).

272903120 is an abundant number, since it is smaller than the sum of its proper divisors (471894448).

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

272903120 is a wasteful number, since it uses less digits than its factorization.

272903120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13228 (or 13222 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 272903120 is about 16519.7796595475. The cubic root of 272903120 is about 648.6386656584.

The spelling of 272903120 in words is "two hundred seventy-two million, nine hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 37 40 56 70 74 80 112 140 148 185 259 280 296 370 518 560 592 740 1036 1295 1480 2072 2590 2960 4144 5180 10360 13171 20720 26342 52684 65855 92197 105368 131710 184394 210736 263420 368788 460985 487327 526840 737576 921970 974654 1053680 1475152 1843940 1949308 2436635 3411289 3687880 3898616 4873270 6822578 7375760 7797232 9746540 13645156 17056445 19493080 27290312 34112890 38986160 54580624 68225780 136451560 272903120