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73480957 = 116680087
BaseRepresentation
bin1000110000100…
…11101011111101
312010021012220221
410120103223331
5122302342312
611142541341
71551402124
oct430235375
9163235827
1073480957
1138529370
1220737851
13122ba074
149a8aabb
1566b7207
hex4613afd

73480957 has 4 divisors (see below), whose sum is σ = 80161056. Its totient is φ = 66800860.

The previous prime is 73480951. The next prime is 73480969. The reversal of 73480957 is 75908437.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75908437 = 116900767.

It is a cyclic number.

It is not a de Polignac number, because 73480957 - 215 = 73448189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73480951) 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, 3340033 + ... + 3340054.

It is an arithmetic number, because the mean of its divisors is an integer number (20040264).

Almost surely, 273480957 is an apocalyptic number.

It is an amenable number.

73480957 is a deficient number, since it is larger than the sum of its proper divisors (6680099).

73480957 is a wasteful number, since it uses less digits than its factorization.

73480957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680098.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 73480957 is about 8572.1034174816. The cubic root of 73480957 is about 418.8497571200.

The spelling of 73480957 in words is "seventy-three million, four hundred eighty thousand, nine hundred fifty-seven".

Divisors: 1 11 6680087 73480957