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245149422 = 23710157791
BaseRepresentation
bin11101001110010…
…10111011101110
3122002021212210020
432213022323232
51000224240142
640154223010
76034510230
oct1647127356
9562255706
10245149422
11116420431
126a124a66
133ba3493b
14247b6250
15167c6cec
hexe9caeee

245149422 has 32 divisors (see below), whose sum is σ = 565899264. Its totient is φ = 69348000.

The previous prime is 245149417. The next prime is 245149427. The reversal of 245149422 is 224941542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (245149417) and next prime (245149427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245149427) 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, 24654 + ... + 33137.

It is an arithmetic number, because the mean of its divisors is an integer number (17684352).

Almost surely, 2245149422 is an apocalyptic number.

245149422 is an abundant number, since it is smaller than the sum of its proper divisors (320749842).

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

245149422 is a wasteful number, since it uses less digits than its factorization.

245149422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57904.

The product of its digits is 23040, while the sum is 33.

The square root of 245149422 is about 15657.2482256621. The cubic root of 245149422 is about 625.8596571479.

The spelling of 245149422 in words is "two hundred forty-five million, one hundred forty-nine thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 101 202 303 606 707 1414 2121 4242 57791 115582 173373 346746 404537 809074 1213611 2427222 5836891 11673782 17510673 35021346 40858237 81716474 122574711 245149422