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34890690 = 2353673169
BaseRepresentation
bin1000010100011…
…0001111000010
32102122122000210
42011012033002
532413000230
63243454550
7602365062
oct205061702
972578023
1034890690
111877098a
12b827456
1372c80a3
1448c33a2
1530e2eb0
hex21463c2

34890690 has 32 divisors (see below), whose sum is σ = 83992320. Its totient is φ = 9275904.

The previous prime is 34890689. The next prime is 34890697. The reversal of 34890690 is 9609843.

It is a super-2 number, since 2×348906902 = 2434720497352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34890697) 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, 9426 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (2624760).

Almost surely, 234890690 is an apocalyptic number.

34890690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34890690 is an abundant number, since it is smaller than the sum of its proper divisors (49101630).

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

34890690 is a wasteful number, since it uses less digits than its factorization.

34890690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 34890690 is about 5906.8341774592. The cubic root of 34890690 is about 326.7657423114.

The spelling of 34890690 in words is "thirty-four million, eight hundred ninety thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 367 734 1101 1835 2202 3169 3670 5505 6338 9507 11010 15845 19014 31690 47535 95070 1163023 2326046 3489069 5815115 6978138 11630230 17445345 34890690