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145072310 = 2519375167
BaseRepresentation
bin10001010010110…
…10000010110110
3101002222102210112
420221122002312
5244114303220
622221223022
73411044225
oct1051320266
9332872715
10145072310
1174986a79
1240701a72
1324095006
14153a4cbc
15cb095c5
hex8a5a0b6

145072310 has 16 divisors (see below), whose sum is σ = 262486656. Its totient is φ = 57727488.

The previous prime is 145072303. The next prime is 145072313. The reversal of 145072310 is 13270541.

It is a super-2 number, since 2×1450723102 = 42091950257472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145072313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35654 + ... + 39513.

It is an arithmetic number, because the mean of its divisors is an integer number (16405416).

Almost surely, 2145072310 is an apocalyptic number.

145072310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145072310 is a deficient number, since it is larger than the sum of its proper divisors (117414346).

145072310 is a wasteful number, since it uses less digits than its factorization.

145072310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75367.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 145072310 is about 12044.5967138796. The cubic root of 145072310 is about 525.4461030672.

The spelling of 145072310 in words is "one hundred forty-five million, seventy-two thousand, three hundred ten".

Divisors: 1 2 5 10 193 386 965 1930 75167 150334 375835 751670 14507231 29014462 72536155 145072310