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694428030 = 23257715867
BaseRepresentation
bin101001011001000…
…010000101111110
31210101200121011200
4221121002011332
52410233144110
6152524000330
723131353342
oct5131020576
91711617150
10694428030
11326a9406a
121746900a6
13b0b3b17a
1468327622
1540e716c0
hex2964217e

694428030 has 24 divisors (see below), whose sum is σ = 1805513112. Its totient is φ = 185180784.

The previous prime is 694428023. The next prime is 694428037. The reversal of 694428030 is 30824496.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (694428023) and next prime (694428037).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694428037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3857844 + ... + 3858023.

It is an arithmetic number, because the mean of its divisors is an integer number (75229713).

Almost surely, 2694428030 is an apocalyptic number.

694428030 is an abundant number, since it is smaller than the sum of its proper divisors (1111085082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694428030 is a wasteful number, since it uses less digits than its factorization.

694428030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715880 (or 7715877 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 694428030 is about 26352.0023907103. The cubic root of 694428030 is about 885.5418304172.

The spelling of 694428030 in words is "six hundred ninety-four million, four hundred twenty-eight thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 7715867 15431734 23147601 38579335 46295202 69442803 77158670 115738005 138885606 231476010 347214015 694428030