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161464063 = 700123063
BaseRepresentation
bin10011001111110…
…11111011111111
3102020211020001111
421213323323333
5312313322223
624004422451
74000264465
oct1147737377
9366736044
10161464063
1183162382
12460a7a27
13275b3c87
1417630835
15e29630d
hex99fbeff

161464063 has 4 divisors (see below), whose sum is σ = 161494128. Its totient is φ = 161434000.

The previous prime is 161464031. The next prime is 161464081. The reversal of 161464063 is 360464161.

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 161464063 - 25 = 161464031 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 (161464013) 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, 4531 + ... + 18532.

It is an arithmetic number, because the mean of its divisors is an integer number (40373532).

Almost surely, 2161464063 is an apocalyptic number.

161464063 is a deficient number, since it is larger than the sum of its proper divisors (30065).

161464063 is an equidigital number, since it uses as much as digits as its factorization.

161464063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30064.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 161464063 is about 12706.8510261197. The cubic root of 161464063 is about 544.5343642294.

The spelling of 161464063 in words is "one hundred sixty-one million, four hundred sixty-four thousand, sixty-three".

Divisors: 1 7001 23063 161464063