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23378475 = 352311713
BaseRepresentation
bin101100100101…
…1101000101011
31121222202020110
41121023220223
521441102400
62153025403
7402466551
oct131135053
947882213
1023378475
111221865a
1279b5263
134ac7123
143167bd1
1520bbe50
hex164ba2b

23378475 has 12 divisors (see below), whose sum is σ = 38652536. Its totient is φ = 12468480.

The previous prime is 23378471. The next prime is 23378479. The reversal of 23378475 is 57487332.

It is an interprime number because it is at equal distance from previous prime (23378471) and next prime (23378479).

It is not a de Polignac number, because 23378475 - 22 = 23378471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23378471) 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 11 ways as a sum of consecutive naturals, for example, 155782 + ... + 155931.

Almost surely, 223378475 is an apocalyptic number.

23378475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23378475 is a deficient number, since it is larger than the sum of its proper divisors (15274061).

23378475 is a wasteful number, since it uses less digits than its factorization.

23378475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311726 (or 311721 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 23378475 is about 4835.1292640425. The cubic root of 23378475 is about 285.9381213221.

The spelling of 23378475 in words is "twenty-three million, three hundred seventy-eight thousand, four hundred seventy-five".

Divisors: 1 3 5 15 25 75 311713 935139 1558565 4675695 7792825 23378475