Search a number
-
+
401553030 = 235193891811
BaseRepresentation
bin10111111011110…
…011011010000110
31000222121000012110
4113323303122012
51310244144110
6103502401450
712644100354
oct2773633206
91028530173
10401553030
1119673680a
12b2590286
1365266458
143b48a7d4
15253bda20
hex17ef3686

401553030 has 64 divisors (see below), whose sum is σ = 1017619200. Its totient is φ = 101128320.

The previous prime is 401553023. The next prime is 401553041. The reversal of 401553030 is 30355104.

It is a super-2 number, since 2×4015530302 = 322489671804361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401552988 and 401553006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220825 + ... + 222635.

It is an arithmetic number, because the mean of its divisors is an integer number (15900300).

Almost surely, 2401553030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401553030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508809600).

401553030 is an abundant number, since it is smaller than the sum of its proper divisors (616066170).

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

401553030 is a wasteful number, since it uses less digits than its factorization.

401553030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 401553030 is about 20038.7881370107. The cubic root of 401553030 is about 737.7586368557.

The spelling of 401553030 in words is "four hundred one million, five hundred fifty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 389 570 778 1167 1811 1945 2334 3622 3890 5433 5835 7391 9055 10866 11670 14782 18110 22173 27165 34409 36955 44346 54330 68818 73910 103227 110865 172045 206454 221730 344090 516135 704479 1032270 1408958 2113437 3522395 4226874 7044790 10567185 13385101 21134370 26770202 40155303 66925505 80310606 133851010 200776515 401553030