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88074720 = 25325311973
BaseRepresentation
bin1010011111111…
…10100111100000
320010201122210200
411033332213200
5140021342340
612423425200
72116423416
oct517764740
9203648720
1088074720
1145796928
12255b5200
1315329826
14b9a92b6
157aeb330
hex53fe9e0

88074720 has 144 divisors (see below), whose sum is σ = 310407552. Its totient is φ = 22717440.

The previous prime is 88074713. The next prime is 88074731. The reversal of 88074720 is 2747088.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 43654 + ... + 45626.

It is an arithmetic number, because the mean of its divisors is an integer number (2155608).

Almost surely, 288074720 is an apocalyptic number.

88074720 is a gapful number since it is divisible by the number (80) 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 88074720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155203776).

88074720 is an abundant number, since it is smaller than the sum of its proper divisors (222332832).

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

88074720 is a wasteful number, since it uses less digits than its factorization.

88074720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 88074720 is about 9384.8132639920. The cubic root of 88074720 is about 444.9218732516.

The spelling of 88074720 in words is "eighty-eight million, seventy-four thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 72 80 90 93 96 120 124 144 155 160 180 186 240 248 279 288 310 360 372 465 480 496 558 620 720 744 930 992 1116 1240 1395 1440 1488 1860 1973 2232 2480 2790 2976 3720 3946 4464 4960 5580 5919 7440 7892 8928 9865 11160 11838 14880 15784 17757 19730 22320 23676 29595 31568 35514 39460 44640 47352 59190 61163 63136 71028 78920 88785 94704 118380 122326 142056 157840 177570 183489 189408 236760 244652 284112 305815 315680 355140 366978 473520 489304 550467 568224 611630 710280 733956 917445 947040 978608 1100934 1223260 1420560 1467912 1834890 1957216 2201868 2446520 2752335 2841120 2935824 3669780 4403736 4893040 5504670 5871648 7339560 8807472 9786080 11009340 14679120 17614944 22018680 29358240 44037360 88074720