Search a number
-
+
244901690 = 25113835813
BaseRepresentation
bin11101001100011…
…10011100111010
3122001211021221222
432212032130322
51000143323230
640145032042
76032426045
oct1646163472
9561737858
10244901690
111162712a0
126a025622
133b978c57
142474dc5c
15167786e5
hexe98e73a

244901690 has 32 divisors (see below), whose sum is σ = 482236416. Its totient is φ = 88807360.

The previous prime is 244901681. The next prime is 244901693. The reversal of 244901690 is 96109442.

It is a super-2 number, since 2×2449016902 = 119953675529712200, 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 244901690.

It is not an unprimeable number, because it can be changed into a prime (244901693) 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, 39224 + ... + 45036.

It is an arithmetic number, because the mean of its divisors is an integer number (15069888).

Almost surely, 2244901690 is an apocalyptic number.

244901690 is a deficient number, since it is larger than the sum of its proper divisors (237334726).

244901690 is a wasteful number, since it uses less digits than its factorization.

244901690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 244901690 is about 15649.3351296469. The cubic root of 244901690 is about 625.6487684595.

The spelling of 244901690 in words is "two hundred forty-four million, nine hundred one thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 383 766 1915 3830 4213 5813 8426 11626 21065 29065 42130 58130 63943 127886 319715 639430 2226379 4452758 11131895 22263790 24490169 48980338 122450845 244901690