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75408914 = 275386351
BaseRepresentation
bin1000111111010…
…10011000010010
312020220011120202
410133222120102
5123301041124
611252135202
71603652030
oct437523022
9166804522
1075408914
1139625919
1221307502
1312813779
14a02d550
1569485ae
hex47ea612

75408914 has 8 divisors (see below), whose sum is σ = 129272448. Its totient is φ = 32318100.

The previous prime is 75408913. The next prime is 75408937. The reversal of 75408914 is 41980457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75408913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693162 + ... + 2693189.

It is an arithmetic number, because the mean of its divisors is an integer number (16159056).

Almost surely, 275408914 is an apocalyptic number.

75408914 is a deficient number, since it is larger than the sum of its proper divisors (53863534).

75408914 is a wasteful number, since it uses less digits than its factorization.

75408914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386360.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 75408914 is about 8683.8306063626. The cubic root of 75408914 is about 422.4813693452.

The spelling of 75408914 in words is "seventy-five million, four hundred eight thousand, nine hundred fourteen".

Divisors: 1 2 7 14 5386351 10772702 37704457 75408914