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345848742 = 23243736121
BaseRepresentation
bin10100100111010…
…011101110100110
3220002202221021200
4110213103232212
51202014124432
654152423330
711366444241
oct2447235646
9802687250
10345848742
1116824a308
12979a7b46
1356861835
1433d0a258
1520568a7c
hex149d3ba6

345848742 has 48 divisors (see below), whose sum is σ = 777396048. Its totient is φ = 111041280.

The previous prime is 345848729. The next prime is 345848743. The reversal of 345848742 is 247848543.

It is a happy number.

It is a super-2 number, since 2×3458487422 = 239222704685965128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345848743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53442 + ... + 59562.

It is an arithmetic number, because the mean of its divisors is an integer number (16195751).

Almost surely, 2345848742 is an apocalyptic number.

345848742 is an abundant number, since it is smaller than the sum of its proper divisors (431547306).

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

345848742 is a wasteful number, since it uses less digits than its factorization.

345848742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6242 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 345848742 is about 18597.0089530548. The cubic root of 345848742 is about 701.9325792995.

The spelling of 345848742 in words is "three hundred forty-five million, eight hundred forty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 43 73 86 129 146 219 258 387 438 657 774 1314 3139 6121 6278 9417 12242 18363 18834 28251 36726 55089 56502 110178 263203 446833 526406 789609 893666 1340499 1579218 2368827 2680998 4021497 4737654 8042994 19213819 38427638 57641457 115282914 172924371 345848742