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74322030 = 2357333937
BaseRepresentation
bin1000110111000…
…01000001101110
312011211221122210
410123201001232
5123011301110
611212551250
71561504206
oct433410156
9164757583
1074322030
1138a53272
1220a82526
1312522b43
149c29406
1567d1520
hex46e106e

74322030 has 32 divisors (see below), whose sum is σ = 180821664. Its totient is φ = 19547136.

The previous prime is 74322023. The next prime is 74322037. The reversal of 74322030 is 3022347.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74322023) and next prime (74322037).

It is a junction number, because it is equal to n+sod(n) for n = 74321988 and 74322006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74322037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14779 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (5650677).

Almost surely, 274322030 is an apocalyptic number.

74322030 is an abundant number, since it is smaller than the sum of its proper divisors (106499634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74322030 is a wasteful number, since it uses less digits than its factorization.

74322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 74322030 is about 8621.0225611583. The cubic root of 74322030 is about 420.4417687314.

Adding to 74322030 its reverse (3022347), we get a palindrome (77344377).

The spelling of 74322030 in words is "seventy-four million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 33937 67874 101811 169685 203622 339370 509055 1018110 2477401 4954802 7432203 12387005 14864406 24774010 37161015 74322030