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88380979 = 234737657
BaseRepresentation
bin1010100010010…
…01011000110011
320011022012220121
411101021120303
5140111142404
612434151111
72122140331
oct521113063
9204265817
1088380979
1145985a35
1225722497
131540604b
14ba48b51
157b5be54
hex5449633

88380979 has 4 divisors (see below), whose sum is σ = 88420984. Its totient is φ = 88340976.

The previous prime is 88380949. The next prime is 88381003. The reversal of 88380979 is 97908388.

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 88380979 - 223 = 79992371 is a prime.

It is a super-2 number, since 2×883809792 = 15622394897996882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88380949) 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, 16482 + ... + 21175.

It is an arithmetic number, because the mean of its divisors is an integer number (22105246).

Almost surely, 288380979 is an apocalyptic number.

88380979 is a deficient number, since it is larger than the sum of its proper divisors (40005).

88380979 is a wasteful number, since it uses less digits than its factorization.

88380979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40004.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 88380979 is about 9401.1158380269. The cubic root of 88380979 is about 445.4369801727.

The spelling of 88380979 in words is "eighty-eight million, three hundred eighty thousand, nine hundred seventy-nine".

Divisors: 1 2347 37657 88380979