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2261430 = 232525127
BaseRepresentation
bin1000101000000110110110
311020220002200
420220012312
51034331210
6120245330
725136043
oct10500666
94226080
102261430
111305056
12910846
13612432
1442c1ca
152ea0c0
hex2281b6

2261430 has 24 divisors (see below), whose sum is σ = 5879952. Its totient is φ = 603024.

The previous prime is 2261407. The next prime is 2261447. The reversal of 2261430 is 341622.

It is a happy number.

2261430 is a `hidden beast` number, since 22 + 614 + 30 = 666.

It is a super-2 number, since 2×22614302 = 10228131289800, which contains 22 as substring.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12474 + ... + 12653.

It is an arithmetic number, because the mean of its divisors is an integer number (244998).

22261430 is an apocalyptic number.

2261430 is an abundant number, since it is smaller than the sum of its proper divisors (3618522).

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

2261430 is a wasteful number, since it uses less digits than its factorization.

2261430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25140 (or 25137 counting only the distinct ones).

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

The square root of 2261430 is about 1503.8051735514. The cubic root of 2261430 is about 131.2585844725.

The spelling of 2261430 in words is "two million, two hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 25127 50254 75381 125635 150762 226143 251270 376905 452286 753810 1130715 2261430