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99614720 = 220519
BaseRepresentation
bin1011111000000…
…00000000000000
320221102221201002
411330000000000
5201000132340
613515031132
72316465632
oct574000000
9227387632
1099614720
1151259017
122943b4a8
131783a32a
14d330a52
158b2a715
hex5f00000

99614720 has 84 divisors (see below), whose sum is σ = 251658120. Its totient is φ = 37748736.

The previous prime is 99614689. The next prime is 99614737. The reversal of 99614720 is 2741699.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242871 + ... + 5242889.

It is an arithmetic number, because the mean of its divisors is an integer number (2995930).

Almost surely, 299614720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99614720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125829060).

99614720 is an abundant number, since it is smaller than the sum of its proper divisors (152043400).

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

99614720 is an frugal number, since it uses more digits than its factorization.

99614720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 99614720 is about 9980.7174090844. The cubic root of 99614720 is about 463.5620123803.

The spelling of 99614720 in words is "ninety-nine million, six hundred fourteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 256 304 320 380 512 608 640 760 1024 1216 1280 1520 2048 2432 2560 3040 4096 4864 5120 6080 8192 9728 10240 12160 16384 19456 20480 24320 32768 38912 40960 48640 65536 77824 81920 97280 131072 155648 163840 194560 262144 311296 327680 389120 524288 622592 655360 778240 1048576 1245184 1310720 1556480 2490368 2621440 3112960 4980736 5242880 6225920 9961472 12451840 19922944 24903680 49807360 99614720