Search a number
-
+
242629090 = 25112205719
BaseRepresentation
bin11100111011000…
…11100111100010
3121220112211112121
432131203213202
5444103112330
640024214454
76004212304
oct1635434742
9556484477
10242629090
11114a59910
126930a42a
133b361712
142431b974
151647a17a
hexe7639e2

242629090 has 16 divisors (see below), whose sum is σ = 476435520. Its totient is φ = 88228720.

The previous prime is 242629039. The next prime is 242629097. The reversal of 242629090 is 90926242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242629097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102750 + ... + 1102969.

It is an arithmetic number, because the mean of its divisors is an integer number (29777220).

Almost surely, 2242629090 is an apocalyptic number.

242629090 is a deficient number, since it is larger than the sum of its proper divisors (233806430).

242629090 is a wasteful number, since it uses less digits than its factorization.

242629090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205737.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 242629090 is about 15576.5557810448. Note that the first 3 decimals coincide. The cubic root of 242629090 is about 623.7074856934.

The spelling of 242629090 in words is "two hundred forty-two million, six hundred twenty-nine thousand, ninety".

Divisors: 1 2 5 10 11 22 55 110 2205719 4411438 11028595 22057190 24262909 48525818 121314545 242629090