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34749090 = 23252316787
BaseRepresentation
bin1000010010001…
…1101010100010
32102101102210100
42010203222202
532343432330
63240443230
7601235205
oct204435242
972342710
1034749090
1118684562
12b779516
1372787bc
14488793c
1530b6060
hex2123aa2

34749090 has 48 divisors (see below), whose sum is σ = 94281408. Its totient is φ = 8863008.

The previous prime is 34749083. The next prime is 34749101. The reversal of 34749090 is 9094743.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6324 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (1964196).

Almost surely, 234749090 is an apocalyptic number.

34749090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34749090 is an abundant number, since it is smaller than the sum of its proper divisors (59532318).

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

34749090 is a wasteful number, since it uses less digits than its factorization.

34749090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16823 (or 16820 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 34749090 is about 5894.8358755779. The cubic root of 34749090 is about 326.3230954377.

The spelling of 34749090 in words is "thirty-four million, seven hundred forty-nine thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 16787 33574 50361 83935 100722 151083 167870 251805 302166 386101 503610 755415 772202 1158303 1510830 1930505 2316606 3474909 3861010 5791515 6949818 11583030 17374545 34749090