Search a number
-
+
2231103402 = 2321197116167
BaseRepresentation
bin1000010011111011…
…1110111110101010
312202111012210111100
42010332332332222
514032130302102
61005220142230
7106201031433
oct20476767652
95674183440
102231103402
11a45444010
12523237976
13297301938
1417245648a
15d0d12a1c
hex84fbefaa

2231103402 has 48 divisors (see below), whose sum is σ = 5327929152. Its totient is φ = 669116160.

The previous prime is 2231103401. The next prime is 2231103403. The reversal of 2231103402 is 2043011322.

It is an interprime number because it is at equal distance from previous prime (2231103401) and next prime (2231103403).

It is a super-3 number, since 3×22311034023 (a number of 29 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2231103401) 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, 38878 + ... + 77289.

It is an arithmetic number, because the mean of its divisors is an integer number (110998524).

Almost surely, 22231103402 is an apocalyptic number.

2231103402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231103402 is an abundant number, since it is smaller than the sum of its proper divisors (3096825750).

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

2231103402 is a wasteful number, since it uses less digits than its factorization.

2231103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116283 (or 116280 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2231103402 is about 47234.5572859533. The cubic root of 2231103402 is about 1306.6920017850.

Adding to 2231103402 its reverse (2043011322), we get a palindrome (4274114724).

The spelling of 2231103402 in words is "two billion, two hundred thirty-one million, one hundred three thousand, four hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 97 99 194 198 291 582 873 1067 1746 2134 3201 6402 9603 19206 116167 232334 348501 697002 1045503 1277837 2091006 2555674 3833511 7667022 11268199 11500533 22536398 23001066 33804597 67609194 101413791 123950189 202827582 247900378 371850567 743701134 1115551701 2231103402