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828900959 = 5631472293
BaseRepresentation
bin110001011010000…
…000011001011111
32010202201112100112
4301122000121133
53144144312314
6214130120235
726353353605
oct6132003137
92122645315
10828900959
11395990617
121b172007b
13102961853
147c12d875
154cb8543e
hex3168065f

828900959 has 4 divisors (see below), whose sum is σ = 830373816. Its totient is φ = 827428104.

The previous prime is 828900953. The next prime is 828900967. The reversal of 828900959 is 959009828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-828900959 is a prime.

It is a super-2 number, since 2×8289009592 = 1374153599662239362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828900953) 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, 735584 + ... + 736709.

It is an arithmetic number, because the mean of its divisors is an integer number (207593454).

Almost surely, 2828900959 is an apocalyptic number.

828900959 is a deficient number, since it is larger than the sum of its proper divisors (1472857).

828900959 is a wasteful number, since it uses less digits than its factorization.

828900959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472856.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 828900959 is about 28790.6401283473. The cubic root of 828900959 is about 939.3646525265.

The spelling of 828900959 in words is "eight hundred twenty-eight million, nine hundred thousand, nine hundred fifty-nine".

Divisors: 1 563 1472293 828900959