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72055414 = 2178720161
BaseRepresentation
bin1000100101101…
…11101001110110
312000120210110001
410102313221312
5121421233124
611052221514
71533314044
oct422675166
9160523401
1072055414
1137745332
122016a89a
1311c0b252
1497d9394
1564d4b44
hex44b7a76

72055414 has 8 divisors (see below), whose sum is σ = 108148968. Its totient is φ = 36005760.

The previous prime is 72055411. The next prime is 72055433. The reversal of 72055414 is 41455027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×720554142 = 10383965373422792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72055411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6507 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (13518621).

Almost surely, 272055414 is an apocalyptic number.

72055414 is a deficient number, since it is larger than the sum of its proper divisors (36093554).

72055414 is a wasteful number, since it uses less digits than its factorization.

72055414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21950.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 72055414 is about 8488.5460474689. The cubic root of 72055414 is about 416.1234648017.

The spelling of 72055414 in words is "seventy-two million, fifty-five thousand, four hundred fourteen".

Divisors: 1 2 1787 3574 20161 40322 36027707 72055414