Search a number
-
+
401030245 = 57111973751
BaseRepresentation
bin10111111001110…
…011110001100101
31000221121110002001
4113321303301211
51310130431440
6103443245301
712636462250
oct2771636145
91027543061
10401030245
11196409a60
12b2379831
1365112505
143b392097
1525318b9a
hex17e73c65

401030245 has 64 divisors (see below), whose sum is σ = 641064960. Its totient is φ = 233280000.

The previous prime is 401030237. The next prime is 401030263. The reversal of 401030245 is 542030104.

401030245 = 4662 + 4672 + ... + 10922.

It is not a de Polignac number, because 401030245 - 23 = 401030237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533620 + ... + 534370.

It is an arithmetic number, because the mean of its divisors is an integer number (10016640).

Almost surely, 2401030245 is an apocalyptic number.

It is an amenable number.

401030245 is a deficient number, since it is larger than the sum of its proper divisors (240034715).

401030245 is a wasteful number, since it uses less digits than its factorization.

401030245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 401030245 is about 20025.7395618739. The cubic root of 401030245 is about 737.4383332523.

Adding to 401030245 its reverse (542030104), we get a palindrome (943060349).

The spelling of 401030245 in words is "four hundred one million, thirty thousand, two hundred forty-five".

Divisors: 1 5 7 11 19 35 55 73 77 95 133 209 365 385 511 665 751 803 1045 1387 1463 2555 3755 4015 5257 5621 6935 7315 8261 9709 14269 15257 26285 28105 41305 48545 54823 57827 71345 76285 99883 106799 156959 274115 289135 383761 499415 533995 603053 784795 1041637 1098713 1918805 3015265 4221371 5208185 5493565 7291459 11458007 21106855 36457295 57290035 80206049 401030245