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7628076 = 2232211891
BaseRepresentation
bin11101000110010100101100
3112100112202100
4131012110230
53423044301
6431255100
7121560201
oct35062454
915315670
107628076
1143400a5
12267a490
131771071
141027ca8
15a0a286
hex74652c

7628076 has 18 divisors (see below), whose sum is σ = 19282172. Its totient is φ = 2542680.

The previous prime is 7628069. The next prime is 7628081. The reversal of 7628076 is 6708267.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 211891 = 7628076 / (7 + 6 + 2 + 8 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 7628076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105910 + ... + 105981.

Almost surely, 27628076 is an apocalyptic number.

It is an amenable number.

7628076 is an abundant number, since it is smaller than the sum of its proper divisors (11654096).

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

7628076 is a wasteful number, since it uses less digits than its factorization.

7628076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211901 (or 211896 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7628076 is about 2761.8971740454. The cubic root of 7628076 is about 196.8513226249.

The spelling of 7628076 in words is "seven million, six hundred twenty-eight thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 211891 423782 635673 847564 1271346 1907019 2542692 3814038 7628076