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7680064 = 26723179
BaseRepresentation
bin11101010011000001000000
3112110012001211
4131103001000
53431230224
6432335504
7122164600
oct35230100
915405054
107680064
114376167
1226a4594
13178b922
14103cc00
15a1a894
hex753040

7680064 has 84 divisors (see below), whose sum is σ = 18531840. Its totient is φ = 3144960.

The previous prime is 7680059. The next prime is 7680067. The reversal of 7680064 is 4600867.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (7680067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97177 + ... + 97255.

Almost surely, 27680064 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 7680064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9265920).

7680064 is an abundant number, since it is smaller than the sum of its proper divisors (10851776).

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

7680064 is a wasteful number, since it uses less digits than its factorization.

7680064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7680064 is about 2771.2928390915. The cubic root of 7680064 is about 197.2975139920.

The spelling of 7680064 in words is "seven million, six hundred eighty thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 31 32 49 56 62 64 79 98 112 124 158 196 217 224 248 316 392 434 448 496 553 632 784 868 992 1106 1264 1519 1568 1736 1984 2212 2449 2528 3038 3136 3472 3871 4424 4898 5056 6076 6944 7742 8848 9796 12152 13888 15484 17143 17696 19592 24304 30968 34286 35392 39184 48608 61936 68572 78368 97216 120001 123872 137144 156736 240002 247744 274288 480004 548576 960008 1097152 1920016 3840032 7680064