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88623047 = 494317929
BaseRepresentation
bin1010100100001…
…00011111000111
320011202111222002
411102010133013
5140141414142
612443255515
72124166142
oct522043707
9204674862
1088623047
1146030897
122581a59b
131548c296
14baad059
157ba8a32
hex54847c7

88623047 has 4 divisors (see below), whose sum is σ = 88645920. Its totient is φ = 88600176.

The previous prime is 88623037. The next prime is 88623053. The reversal of 88623047 is 74032688.

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

It is a cyclic number.

It is not a de Polignac number, because 88623047 - 28 = 88622791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88623047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88623037) 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, 4022 + ... + 13907.

It is an arithmetic number, because the mean of its divisors is an integer number (22161480).

Almost surely, 288623047 is an apocalyptic number.

88623047 is a deficient number, since it is larger than the sum of its proper divisors (22873).

88623047 is a wasteful number, since it uses less digits than its factorization.

88623047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22872.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 88623047 is about 9413.9814637591. The cubic root of 88623047 is about 445.8432808176.

The spelling of 88623047 in words is "eighty-eight million, six hundred twenty-three thousand, forty-seven".

Divisors: 1 4943 17929 88623047