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88220293 = 717741347
BaseRepresentation
bin1010100001000…
…10001010000101
320011000001111021
411100202022011
5140041022133
612430511141
72120601010
oct520421205
9204001437
1088220293
1145886237
12256654b1
131537ab75
14ba06377
157b2952d
hex5422285

88220293 has 8 divisors (see below), whose sum is σ = 106754112. Its totient is φ = 71169216.

The previous prime is 88220273. The next prime is 88220299. The reversal of 88220293 is 39202288.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88220293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88220299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370555 + ... + 370792.

It is an arithmetic number, because the mean of its divisors is an integer number (13344264).

Almost surely, 288220293 is an apocalyptic number.

It is an amenable number.

88220293 is a deficient number, since it is larger than the sum of its proper divisors (18533819).

88220293 is a wasteful number, since it uses less digits than its factorization.

88220293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741371.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 88220293 is about 9392.5658368733. The cubic root of 88220293 is about 445.1668658391.

The spelling of 88220293 in words is "eighty-eight million, two hundred twenty thousand, two hundred ninety-three".

Divisors: 1 7 17 119 741347 5189429 12602899 88220293