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78133002 = 2350325889
BaseRepresentation
bin1001010100000…
…11011100001010
312110000120022220
410222003130022
5130000224002
611430354510
71636056003
oct452033412
9173016286
1078133002
1140116532
12221bba36
131325865c
14a53c1aa
156cd57bc
hex4a8370a

78133002 has 16 divisors (see below), whose sum is σ = 156582720. Its totient is φ = 25991552.

The previous prime is 78132979. The next prime is 78133007. The reversal of 78133002 is 20033187.

It is a super-2 number, since 2×781330022 = 12209532003064008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78133007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9927 + ... + 15962.

It is an arithmetic number, because the mean of its divisors is an integer number (9786420).

Almost surely, 278133002 is an apocalyptic number.

78133002 is an abundant number, since it is smaller than the sum of its proper divisors (78449718).

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

78133002 is a wasteful number, since it uses less digits than its factorization.

78133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26397.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 78133002 is about 8839.2874147185. The cubic root of 78133002 is about 427.5085816136.

Adding to 78133002 its reverse (20033187), we get a palindrome (98166189).

The spelling of 78133002 in words is "seventy-eight million, one hundred thirty-three thousand, two".

Divisors: 1 2 3 6 503 1006 1509 3018 25889 51778 77667 155334 13022167 26044334 39066501 78133002