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690785414 = 211471813691
BaseRepresentation
bin101001001011001…
…000110010000110
31210010211112102222
4221023020302012
52403320113124
6152313532342
723055402434
oct5113106206
91703745388
10690785414
11324a26340
121734140b2
13b0164187
1467a59d54
15409a225e
hex292c8c86

690785414 has 32 divisors (see below), whose sum is σ = 1161119232. Its totient is φ = 305532000.

The previous prime is 690785363. The next prime is 690785419. The reversal of 690785414 is 414587096.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690785419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185309 + ... + 188999.

It is an arithmetic number, because the mean of its divisors is an integer number (36284976).

Almost surely, 2690785414 is an apocalyptic number.

690785414 is a deficient number, since it is larger than the sum of its proper divisors (470333818).

690785414 is a wasteful number, since it uses less digits than its factorization.

690785414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 690785414 is about 26282.7969211802. The cubic root of 690785414 is about 883.9907479427.

The spelling of 690785414 in words is "six hundred ninety million, seven hundred eighty-five thousand, four hundred fourteen".

Divisors: 1 2 11 22 47 94 181 362 517 1034 1991 3691 3982 7382 8507 17014 40601 81202 93577 173477 187154 346954 668071 1336142 1908247 3816494 7348781 14697562 31399337 62798674 345392707 690785414