Search a number
-
+
79269490 = 2514953201
BaseRepresentation
bin1001011100110…
…00111001110010
312112011022022001
410232120321302
5130243110430
611511004214
71651531246
oct456307162
9175138261
1079269490
1140822383
122266966a
1313565a31
14a756426
156e5c3ca
hex4b98e72

79269490 has 16 divisors (see below), whose sum is σ = 143645400. Its totient is φ = 31494400.

The previous prime is 79269473. The next prime is 79269497. The reversal of 79269490 is 9496297.

It can be written as a sum of positive squares in 4 ways, for example, as 59028489 + 20241001 = 7683^2 + 4499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79269490.

It is not an unprimeable number, because it can be changed into a prime (79269497) 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, 25111 + ... + 28090.

Almost surely, 279269490 is an apocalyptic number.

79269490 is a deficient number, since it is larger than the sum of its proper divisors (64375910).

79269490 is a wasteful number, since it uses less digits than its factorization.

79269490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53357.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 79269490 is about 8903.3415075465. The cubic root of 79269490 is about 429.5713955353.

The spelling of 79269490 in words is "seventy-nine million, two hundred sixty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 149 298 745 1490 53201 106402 266005 532010 7926949 15853898 39634745 79269490