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70722103 = 521135743
BaseRepresentation
bin1000011011100…
…10001000110111
311221002001111011
410031302020313
5121101101403
611003453051
71516061614
oct415621067
9157061434
1070722103
1136a14621
121b827187
13118623ca
14956d50b
15631ea6d
hex4372237

70722103 has 4 divisors (see below), whose sum is σ = 70858368. Its totient is φ = 70585840.

The previous prime is 70722101. The next prime is 70722131. The reversal of 70722103 is 30122707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70722103 - 21 = 70722101 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 (70722101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67351 + ... + 68392.

It is an arithmetic number, because the mean of its divisors is an integer number (17714592).

Almost surely, 270722103 is an apocalyptic number.

70722103 is a deficient number, since it is larger than the sum of its proper divisors (136265).

70722103 is a wasteful number, since it uses less digits than its factorization.

70722103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136264.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 70722103 is about 8409.6434526084. The cubic root of 70722103 is about 413.5408240378.

The spelling of 70722103 in words is "seventy million, seven hundred twenty-two thousand, one hundred three".

Divisors: 1 521 135743 70722103