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3490815242 = 219973732539
BaseRepresentation
bin1101000000010001…
…1001110100001010
3100000021120210021102
43100010121310022
524122122041432
61334220141402
7152335303625
oct32004316412
910007523242
103490815242
111531524182
12815097862
134382a1b65
1425188adbc
151566e5962
hexd0119d0a

3490815242 has 32 divisors (see below), whose sum is σ = 5585764800. Its totient is φ = 1631467008.

The previous prime is 3490815239. The next prime is 3490815253. The reversal of 3490815242 is 2425180943.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 3490815196 and 3490815205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373609 + ... + 1376147.

It is an arithmetic number, because the mean of its divisors is an integer number (174555150).

Almost surely, 23490815242 is an apocalyptic number.

3490815242 is a deficient number, since it is larger than the sum of its proper divisors (2094949558).

3490815242 is a wasteful number, since it uses less digits than its factorization.

3490815242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 3490815242 is about 59083.1214645943. The cubic root of 3490815242 is about 1516.9652113073.

The spelling of 3490815242 in words is "three billion, four hundred ninety million, eight hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 19 38 97 194 373 746 1843 2539 3686 5078 7087 14174 36181 48241 72362 96482 246283 492566 687439 947047 1374878 1894094 4679377 9358754 17993893 35987786 91863559 183727118 1745407621 3490815242