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30401118 = 23211532897
BaseRepresentation
bin111001111111…
…0001001011110
32010012112111100
41303332021132
530240313433
63003333530
7516255666
oct163761136
963175440
1030401118
11161848a0
12a2212a6
1363b5737
1440751a6
152a07b13
hex1cfe25e

30401118 has 48 divisors (see below), whose sum is σ = 73238256. Its totient is φ = 9035520.

The previous prime is 30401113. The next prime is 30401123. The reversal of 30401118 is 81110403.

It is an interprime number because it is at equal distance from previous prime (30401113) and next prime (30401123).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30401118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30401113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9046 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (1525797).

Almost surely, 230401118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30401118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36619128).

30401118 is an abundant number, since it is smaller than the sum of its proper divisors (42837138).

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

30401118 is a wasteful number, since it uses less digits than its factorization.

30401118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 30401118 is about 5513.7208852099. The cubic root of 30401118 is about 312.1019760347.

The spelling of 30401118 in words is "thirty million, four hundred one thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 11 18 22 33 53 66 99 106 159 198 318 477 583 954 1166 1749 2897 3498 5247 5794 8691 10494 17382 26073 31867 52146 63734 95601 153541 191202 286803 307082 460623 573606 921246 1381869 1688951 2763738 3377902 5066853 10133706 15200559 30401118