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88407001 = 122372287
BaseRepresentation
bin1010100010011…
…11101111011001
320011100112121101
411101033233121
5140113011001
612434511401
72122306234
oct521175731
9204315541
1088407001
11459a3541
1225735561
1315414b47
14ba5441b
157b64a01
hex544fbd9

88407001 has 4 divisors (see below), whose sum is σ = 88480512. Its totient is φ = 88333492.

The previous prime is 88406977. The next prime is 88407041. The reversal of 88407001 is 10070488.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88407001 - 215 = 88374233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88407041) 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, 34921 + ... + 37366.

It is an arithmetic number, because the mean of its divisors is an integer number (22120128).

Almost surely, 288407001 is an apocalyptic number.

It is an amenable number.

88407001 is a deficient number, since it is larger than the sum of its proper divisors (73511).

88407001 is a wasteful number, since it uses less digits than its factorization.

88407001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73510.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 88407001 is about 9402.4997208189. The cubic root of 88407001 is about 445.4806925333.

Adding to 88407001 its reverse (10070488), we get a palindrome (98477489).

The spelling of 88407001 in words is "eighty-eight million, four hundred seven thousand, one".

Divisors: 1 1223 72287 88407001