Search a number
-
+
3431493 = 3213139211
BaseRepresentation
bin1101000101110001000101
320110100010100
431011301011
51334301433
6201314313
741111232
oct15056105
96410110
103431493
111a3414a
121195999
13931b90
14654789
1547bb13
hex345c45

3431493 has 24 divisors (see below), whose sum is σ = 5401760. Its totient is φ = 2086560.

The previous prime is 3431489. The next prime is 3431497. The reversal of 3431493 is 3941343.

It is an interprime number because it is at equal distance from previous prime (3431489) and next prime (3431497).

It is not a de Polignac number, because 3431493 - 22 = 3431489 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

3431493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431497) 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, 16158 + ... + 16368.

Almost surely, 23431493 is an apocalyptic number.

It is an amenable number.

3431493 is a deficient number, since it is larger than the sum of its proper divisors (1970267).

3431493 is a wasteful number, since it uses less digits than its factorization.

3431493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 366 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3431493 is about 1852.4289460058. The cubic root of 3431493 is about 150.8323065635.

The spelling of 3431493 in words is "three million, four hundred thirty-one thousand, four hundred ninety-three".

Divisors: 1 3 9 13 39 117 139 211 417 633 1251 1807 1899 2743 5421 8229 16263 24687 29329 87987 263961 381277 1143831 3431493