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117222720 = 2635235309
BaseRepresentation
bin1101111110010…
…10110101000000
322011120112100020
412333022311000
5220002111340
615344253440
72622243126
oct677126500
9264515306
10117222720
116019518a
1233311280
131b393a74
14117d5916
15a4579d0
hex6fcad40

117222720 has 112 divisors (see below), whose sum is σ = 388437120. Its totient is φ = 29894656.

The previous prime is 117222719. The next prime is 117222739. The reversal of 117222720 is 27222711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19426 + ... + 24734.

Almost surely, 2117222720 is an apocalyptic number.

117222720 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 117222720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194218560).

117222720 is an abundant number, since it is smaller than the sum of its proper divisors (271214400).

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

117222720 is a wasteful number, since it uses less digits than its factorization.

117222720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 117222720 is about 10826.9441672154. The cubic root of 117222720 is about 489.4074748181.

Subtracting from 117222720 its reverse (27222711), we obtain a palindrome (90000009).

The spelling of 117222720 in words is "one hundred seventeen million, two hundred twenty-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 320 345 368 460 480 552 690 736 920 960 1104 1380 1472 1840 2208 2760 3680 4416 5309 5520 7360 10618 11040 15927 21236 22080 26545 31854 42472 53090 63708 79635 84944 106180 122107 127416 159270 169888 212360 244214 254832 318540 339776 366321 424720 488428 509664 610535 637080 732642 849440 976856 1019328 1221070 1274160 1465284 1698880 1831605 1953712 2442140 2548320 2930568 3663210 3907424 4884280 5096640 5861136 7326420 7814848 9768560 11722272 14652840 19537120 23444544 29305680 39074240 58611360 117222720