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23074761 = 315748991
BaseRepresentation
bin101100000000…
…1011111001001
31121102022121210
41120001133021
521401343021
62142323333
7400063233
oct130013711
947368553
1023074761
1112030456
127889549
134a1bb08
1430c9253
15205be76
hex16017c9

23074761 has 8 divisors (see below), whose sum is σ = 30962944. Its totient is φ = 15284880.

The previous prime is 23074741. The next prime is 23074771. The reversal of 23074761 is 16747032.

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

It is not a de Polignac number, because 23074761 - 210 = 23073737 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23074741) 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, 24025 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (3870368).

Almost surely, 223074761 is an apocalyptic number.

It is an amenable number.

23074761 is a deficient number, since it is larger than the sum of its proper divisors (7888183).

23074761 is a wasteful number, since it uses less digits than its factorization.

23074761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49151.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 23074761 is about 4803.6195727805. The cubic root of 23074761 is about 284.6944956556.

The spelling of 23074761 in words is "twenty-three million, seventy-four thousand, seven hundred sixty-one".

Divisors: 1 3 157 471 48991 146973 7691587 23074761