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345050531 = 72312311741
BaseRepresentation
bin10100100100010…
…000110110100011
3220001021101100022
4110210100312203
51201313104111
654123344055
711356611140
oct2444206643
9801241308
10345050531
11167854631
129768202b
1356642417
1433b7d3c7
152045c2db
hex14910da3

345050531 has 16 divisors (see below), whose sum is σ = 412059648. Its totient is φ = 282506400.

The previous prime is 345050527. The next prime is 345050549. The reversal of 345050531 is 135050543.

It is a cyclic number.

It is not a de Polignac number, because 345050531 - 22 = 345050527 is a prime.

It is a super-2 number, since 2×3450505312 = 238119737886763922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345050531.

It is not an unprimeable number, because it can be changed into a prime (345050731) 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, 197321 + ... + 199061.

It is an arithmetic number, because the mean of its divisors is an integer number (25753728).

Almost surely, 2345050531 is an apocalyptic number.

345050531 is a deficient number, since it is larger than the sum of its proper divisors (67009117).

345050531 is a wasteful number, since it uses less digits than its factorization.

345050531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 345050531 is about 18575.5358199972. The cubic root of 345050531 is about 701.3921485300.

The spelling of 345050531 in words is "three hundred forty-five million, fifty thousand, five hundred thirty-one".

Divisors: 1 7 23 161 1231 1741 8617 12187 28313 40043 198191 280301 2143171 15002197 49292933 345050531