Search a number
-
+
28377462 = 2331152567
BaseRepresentation
bin110110001000…
…0000101110110
31222101201120010
41230100011312
524231034322
62452121050
7463130061
oct154200566
958351503
1028377462
1115022453
129606186
135b575c9
143aa98d8
15275820c
hex1b10176

28377462 has 16 divisors (see below), whose sum is σ = 58586112. Its totient is φ = 9153960.

The previous prime is 28377439. The next prime is 28377473. The reversal of 28377462 is 26477382.

It is a super-2 number, since 2×283774622 = 1610560699122888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28377462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76098 + ... + 76469.

It is an arithmetic number, because the mean of its divisors is an integer number (3661632).

Almost surely, 228377462 is an apocalyptic number.

28377462 is an abundant number, since it is smaller than the sum of its proper divisors (30208650).

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

28377462 is a wasteful number, since it uses less digits than its factorization.

28377462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152603.

The product of its digits is 112896, while the sum is 39.

The square root of 28377462 is about 5327.0500279235. The cubic root of 28377462 is about 305.0173312735.

The spelling of 28377462 in words is "twenty-eight million, three hundred seventy-seven thousand, four hundred sixty-two".

Divisors: 1 2 3 6 31 62 93 186 152567 305134 457701 915402 4729577 9459154 14188731 28377462