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1121404024 = 231310782731
BaseRepresentation
bin100001011010111…
…0100010001111000
32220011010020010101
41002311310101320
54244034412044
6303135325144
736534530326
oct10265642170
92804106111
101121404024
11526004494
122736807b4
1314b4361a0
14a8d10d16
15686b2cd4
hex42d74478

1121404024 has 16 divisors (see below), whose sum is σ = 2264373720. Its totient is φ = 517571040.

The previous prime is 1121403979. The next prime is 1121404061. The reversal of 1121404024 is 4204041211.

It is a junction number, because it is equal to n+sod(n) for n = 1121403992 and 1121404010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391262 + ... + 5391469.

Almost surely, 21121404024 is an apocalyptic number.

It is an amenable number.

1121404024 is an abundant number, since it is smaller than the sum of its proper divisors (1142969696).

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

1121404024 is a wasteful number, since it uses less digits than its factorization.

1121404024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782750 (or 10782746 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1121404024 is about 33487.3711121073. The cubic root of 1121404024 is about 1038.9325907313.

Adding to 1121404024 its reverse (4204041211), we get a palindrome (5325445235).

The spelling of 1121404024 in words is "one billion, one hundred twenty-one million, four hundred four thousand, twenty-four".

Divisors: 1 2 4 8 13 26 52 104 10782731 21565462 43130924 86261848 140175503 280351006 560702012 1121404024