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45408697 = 197230501
BaseRepresentation
bin1010110100111…
…0000110111001
310011110000000121
42231032012321
543111034242
64301133241
71060652605
oct255160671
9104400017
1045408697
11236a5254
121325a221
13953b669
146060505
153ebe667
hex2b4e1b9

45408697 has 4 divisors (see below), whose sum is σ = 45639396. Its totient is φ = 45178000.

The previous prime is 45408679. The next prime is 45408733. The reversal of 45408697 is 79680454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37405456 + 8003241 = 6116^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 45408697 - 211 = 45406649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45408667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115054 + ... + 115447.

It is an arithmetic number, because the mean of its divisors is an integer number (11409849).

Almost surely, 245408697 is an apocalyptic number.

It is an amenable number.

45408697 is a deficient number, since it is larger than the sum of its proper divisors (230699).

45408697 is a wasteful number, since it uses less digits than its factorization.

45408697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230698.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 45408697 is about 6738.5975543877. The cubic root of 45408697 is about 356.7628954935.

The spelling of 45408697 in words is "forty-five million, four hundred eight thousand, six hundred ninety-seven".

Divisors: 1 197 230501 45408697